Unit 3 The world of science
课后培优——微积累战高考，训练提分点
描写人物的喜与乐
一、多样表达
1．joyful adj. 欢乐的
2．cheerful adj. 高兴的
3．excited adj. 兴奋的
4．happy adj. 愉快的，高兴的；美满的
5．pleased adj. 欣喜的，高兴的，满意的
6．enjoy vt. 喜欢
7．brighten vt. 变开心；变兴奋
8．pleasure n. 愉快
9．passion n. 热情，激情
10．delight n. 欢喜，愉快，高兴
vt. 使愉快，使高兴
11．a satisfied look 满意的表情
12．be in high spirits 精神高涨
13．yell with delight 乐得大叫
14．be excited with joy at the success
为成功而欣喜
二、佳句观摩
1．Unforgettable were her eyes that shone like diamonds and lips held in a steady smile.
令人难忘的是她的眼睛像钻石一样闪闪发光，她的嘴角保持着稳定的微笑。
2．Her cheerful spirits and hearty laughter infected the whole class.
她那欢乐的情绪和爽朗的笑声感染了全班同学。
3．Having heard this satisfactory outcome, Steve felt a sense of joy and happiness surging through him.
在听到这个令人满意的结果后，史蒂夫感到一种喜悦和幸福的感觉涌上心头。
4．She was carried away by pleasure.
她被快乐冲昏了头脑。
5．I nodded, with a big smile spreading across my cheek.
我点点头，脸上露出灿烂的笑容。
6．She couldn't conceal the excitement and rushed home to tell her mother the good news.
她掩饰不住兴奋，急忙回家告诉母亲这个好消息。
三、佳句仿写
1．Tears_of_happiness poured down Susan's cheeks.
幸福的泪水顺着苏珊的脸颊流下来。
2．Her hands were trembling with_excitement as she opened the letter.
当她打开信时，她的手激动得发抖。
3．She wore a_shining_smile_on_her_face．
她脸上带着灿烂的笑容。
4．Her smile lit_up_the_whole_room．
她的笑容照亮了整个房间。
5．The woman was_delighted_at the recovery of her stolen jewels.
那位妇人对找回被盗的珠宝感到非常高兴。
Ⅰ.阅读理解
A
语篇类型 说明文
主题语境 人与社会——科技——3D打印的有血管的心脏
(2021·陕西省部分学校第一学期摸底检测) In a major medical breakthrough，Tel Aviv University researchers have “printed” the world's first 3D vascularized (血管化的) engineered heart using a patient's own cells and biological materials.Their findings were published on April 15 in a study in Advanced Science.
“This is the first time anyone anywhere has successfully engineered and printed an entire heart，” says Prof.Tal Dvir of Department of Materials Science and Engineering，who led the research for the study.“This heart is made from human cells and patient specific biological materials.In our process，these materials serve as the bioinks，something made of sugars and proteins that can be used for 3D printing of complex tissue models，” Prof.Dvir says.“People managed to 3D print the structure of a heart in the past，but not with cells or with blood vessels.Our results demonstrate the potential of our approach for engineering personalized tissue and organ replacement in the future.”
According to Prof.Dvir，the use of “native” patient specific materials is important to successfully engineering tissues and organs.
The researchers are now planning on culturing the printed hearts in the lab and “teaching them to behave” like hearts，Prof.Dvir says.They then plan to transplant the 3D printed heart into animal models.
“We need to develop the printed heart further，” he concludes.“The cells need to form a pumping ability; they can currently contract (收缩)，but we need them to work together.Our hope is that we will succeed and prove our method's efficacy (功效) and usefulness.Maybe，in ten years，there will be organ printers in the finest hospitals around the world，and these procedures will be conducted routinely.”
1．What does Prof.Dvir think of an early 3D printed heart
A．It was highly practical. B．It was too expensive.
C．It was personalizeD． D．It was too simple.
2．What do we know about the latest 3D printed heart
A．It can be cultured in the laB．
B．It can match a patient perfectly.
C．It has been transplanted into animals.
D．It has been widely used in hospitals.
3．What is Prof.Dvir's attitude to the development of the printed heart
A．Ambiguous. B．Positive.
C．Disapproving. D．Cautious.
4．What is the author's purpose in writing the text
A．To explain the basic principle of 3D technology.
B．To introduce a breakthrough of medical research.
C．To doubt the medical value of a new invention.
D．To prove the effectiveness of the new technology.
B
语篇类型 说明文
主题语境 人与社会——科技与教育——数字化技术应用于教学
(2021·石家庄重点高中高三摸底考试) While the start of a new school year is always exciting, this year was even more so for some elementary school students in Auckland, New ZealanD．They became the world's first kids to be “taught” by a digital teacher.Before you start imagining a human like robot walking around the classroom, Will is just an avatar (化身) that appears on the students' desktops, or smartphone screens，when ordered to come.
The autonomous animation (动画制作) platform has been modeled after the human brain and nervous system，allowing it to show human like behavior.The digital teacher is assigned to teach “Be sustainable with energy”—a free program for Auckland elementary schools.
Just like the humans it replaced, Will is able to instantly react to the students' responses to the topiC．Thanks to a webcam and microphone，the avatar not only responds to questions the kids may have，but also picks up non verbal cues(暗示).For instance，if a student smiles at Will，he responds by smiling back.This two way interaction not only helps attract the students' attention，but also allows the program's developers to monitor their involvement, and make changes if needeD．
Nikhil Ravishankar believes that Will like avatars could be a novel way to catch the attention of the next generation.He says，“I have a lot of hope in this technology as a means to deliver cost effective，rich，educational experience in the future.”
The program，in place since August 2018，has been a great success thus far.Ravishankar says，“What was fascinating to me was the reaction of the children to Will.The way they look at the world is so creative and different，and Will really captured their attention.” However，regardless of how popular it becomes，Will is unlikely to replace human educators any time soon.
5．What was special for some elementary school students in Auckland
A．A digital teacher taught them.
B．They first saw something digital.
C．This was the start of a new school year.
D．They could get close to smartphone screens.
6．What is the benefit of this two way interaction
A．It can smile back.
B．It can use a microphone.
C．It can talk any topic for free.
D．It can change if necessary.
7．What's the author's attitude to Will's replacing human educators soon
A．OptimistiC． B．Doubtful.
C．Unclear. D．Disapproving.
8．What might be the best title for the passage
A．New High tech Contributes to Education
B．The World's First Digital Teacher Appears in the Classroom
C．The World's First Digital Teacher，a Help to Students
D．New Zealand Will Replace Teachers in the Classroom
Ⅱ.完形填空
语篇类型 夹叙夹议文
主题语境 人与自我——个人经历——作者对祖辈的辛劳和创造心怀感激
(2021·山东省日照一中第一次调研考试)I love the feeling of exchanging goods with my parents.When we visit them, we often end up __1__home more things than we brought with us.
After packing up at the end of our most recent visit, and after the last __2__ and sounding of the car horn(喇叭), I took a quick look at the back __3__of our car.At the top of the pile, folded __4__ and smartly, were a 50 year old baby blanket, several doilies(小型装饰桌巾) __5__ from generations of women in my family, and two small quilts.
These creative quilts, looking __6__but quite lovingly worn, remind me of my great grandmothers who were always __7__harD．I think of their __8__hands and the regular sound from their sewing machines.I think of their smiles and the wisdom found in the corners of their eyes.
I wish I could go back in time and watch them __9__ these quilts.I cherish the quilts my great grandmothers __10__．I love knowing that the women who __11__the way for my own path through life have left behind touchable expressions of themselves. __12__I touch the worn cloth of each creation, I will always remember the women who brought them into existence.I will be ever __13__ for the strong women in my family who have lived __14__ me and with me, who have left behind unbelievable examples to __15__ and lovely quilts to pass on.
1．A．leaving B．buying
C．taking D．returning
2．A．hugs B．handshakes
C．nods D．greetings
3．A．door B．window
C．wheel D．seat
4．A．neatly B．closely
C．loosely D．quickly
5．A．taken down B．given away
C．passed down D．put away
6．A．shabby B．delicate
C．ugly D．old
7．A．learning B．working
C．playing D．feeling
8．A．warm B．wrinkled
C．smooth D．soft
9．A．make B．invent
C．clean D．check
10．A．brought B．sent away
C．delivered D．left behind
11．A．pushed B．felt
C．paved D．changed
12．A．When B．If
C．Once D．Though
13．A．regretful B．convinced
C．thankful D．respected
14．A．through B．before
C．by D．for
15．A．replace B．build
C．set D．follow
Ⅲ.应用文写作
(2021·山东省决胜新高考名校交流联考)假如你是学生会主席李华，你校要组织“野外生存”夏令营(Outdoor Survival Camp)活动，打算邀请英国交流生Chris参加，请你给他写一封邮件，内容包括：
1．时间、地点；
2．活动内容；
3．希望参加。
注意：1.词数80左右；
2．可以适当增加细节，以使行文连贯。
PAGE
9Unit 3 The world of science
课后培优——微积累战高考，训练提分点
描写人物的喜与乐
一、多样表达
1．joyful adj. 欢乐的
2．cheerful adj. 高兴的
3．excited adj. 兴奋的
4．happy adj. 愉快的，高兴的；美满的
5．pleased adj. 欣喜的，高兴的，满意的
6．enjoy vt. 喜欢
7．brighten vt. 变开心；变兴奋
8．pleasure n. 愉快
9．passion n. 热情，激情
10．delight n. 欢喜，愉快，高兴
vt. 使愉快，使高兴
11．a satisfied look 满意的表情
12．be in high spirits 精神高涨
13．yell with delight 乐得大叫
14．be excited with joy at the success
为成功而欣喜
二、佳句观摩
1．Unforgettable were her eyes that shone like diamonds and lips held in a steady smile.
令人难忘的是她的眼睛像钻石一样闪闪发光，她的嘴角保持着稳定的微笑。
2．Her cheerful spirits and hearty laughter infected the whole class.
她那欢乐的情绪和爽朗的笑声感染了全班同学。
3．Having heard this satisfactory outcome, Steve felt a sense of joy and happiness surging through him.
在听到这个令人满意的结果后，史蒂夫感到一种喜悦和幸福的感觉涌上心头。
4．She was carried away by pleasure.
她被快乐冲昏了头脑。
5．I nodded, with a big smile spreading across my cheek.
我点点头，脸上露出灿烂的笑容。
6．She couldn't conceal the excitement and rushed home to tell her mother the good news.
她掩饰不住兴奋，急忙回家告诉母亲这个好消息。
三、佳句仿写
1．Tears_of_happiness poured down Susan's cheeks.
幸福的泪水顺着苏珊的脸颊流下来。
2．Her hands were trembling with_excitement as she opened the letter.
当她打开信时，她的手激动得发抖。
3．She wore a_shining_smile_on_her_face．
她脸上带着灿烂的笑容。
4．Her smile lit_up_the_whole_room．
她的笑容照亮了整个房间。
5．The woman was_delighted_at the recovery of her stolen jewels.
那位妇人对找回被盗的珠宝感到非常高兴。
Ⅰ.阅读理解
A
语篇类型 说明文
主题语境 人与社会——科技——3D打印的有血管的心脏
(2021·陕西省部分学校第一学期摸底检测) In a major medical breakthrough，Tel Aviv University researchers have “printed” the world's first 3D vascularized (血管化的) engineered heart using a patient's own cells and biological materials.Their findings were published on April 15 in a study in Advanced Science.
“This is the first time anyone anywhere has successfully engineered and printed an entire heart，” says Prof.Tal Dvir of Department of Materials Science and Engineering，who led the research for the study.“This heart is made from human cells and patient specific biological materials.In our process，these materials serve as the bioinks，something made of sugars and proteins that can be used for 3D printing of complex tissue models，” Prof.Dvir says.“People managed to 3D print the structure of a heart in the past，but not with cells or with blood vessels.Our results demonstrate the potential of our approach for engineering personalized tissue and organ replacement in the future.”
According to Prof.Dvir，the use of “native” patient specific materials is important to successfully engineering tissues and organs.
The researchers are now planning on culturing the printed hearts in the lab and “teaching them to behave” like hearts，Prof.Dvir says.They then plan to transplant the 3D printed heart into animal models.
“We need to develop the printed heart further，” he concludes.“The cells need to form a pumping ability; they can currently contract (收缩)，but we need them to work together.Our hope is that we will succeed and prove our method's efficacy (功效) and usefulness.Maybe，in ten years，there will be organ printers in the finest hospitals around the world，and these procedures will be conducted routinely.”
文章大意：特拉维夫大学的研究人员使用病人自己的细胞和生物材料3D打印出了世界上第一颗有血管的心脏，这是一项重大的医学突破。
1．What does Prof.Dvir think of an early 3D printed heart
A．It was highly practical. B．It was too expensive.
C．It was personalizeD． D．It was too simple.
解析：D 考查推理判断。根据第二段倒数第二句Dvir教授所说的话“People managed to 3D print the structure of a heart in the past，but not with cells or with blood vessels.”可知，在过去，人们设法3D打印出了心脏的结构，但没有细胞或血管。据此可推知，Dvir教授认为过去3D打印的心脏很简单，故D项正确。
2．What do we know about the latest 3D printed heart
A．It can be cultured in the laB．
B．It can match a patient perfectly.
C．It has been transplanted into animals.
D．It has been widely used in hospitals.
解析：A 考查细节理解。根据第四段第一句“The researchers are now planning on culturing the printed hearts in the lab and ‘teaching them to behave’ like hearts, Prof.Dvir says.”可知，研究人员目前正计划在实验室中培养这些打印出来的心脏，并“教它们像心脏一样运动”，据此可知，最新的3D打印心脏可以在实验室中培养，故A项正确。
3．What is Prof.Dvir's attitude to the development of the printed heart
A．Ambiguous. B．Positive.
C．Disapproving. D．Cautious.
解析：B 考查观点态度。根据最后一段中Dvir教授所说的话“Maybe，in ten years，there will be organ printers in the finest hospitals around the world，and these procedures will be conducted routinely.”可知，可能在十年后，世界上一些最好的医院将会有器官打印机；据此可推知，Dvir教授对打印心脏的发展持乐观的态度，故B项正确。
4．What is the author's purpose in writing the text
A．To explain the basic principle of 3D technology.
B．To introduce a breakthrough of medical research.
C．To doubt the medical value of a new invention.
D．To prove the effectiveness of the new technology.
解析：B 考查写作意图。根据文章第一段第一句并结合文章其他内容可知，文章主要介绍了一项医学突破：特拉维夫大学的研究人员利用病人自己的细胞和生物材料3D打印出了世界上第一颗有血管的心脏。故B项正确。
B
语篇类型 说明文
主题语境 人与社会——科技与教育——数字化技术应用于教学
(2021·石家庄重点高中高三摸底考试) While the start of a new school year is always exciting, this year was even more so for some elementary school students in Auckland, New ZealanD．They became the world's first kids to be “taught” by a digital teacher.Before you start imagining a human like robot walking around the classroom, Will is just an avatar (化身) that appears on the students' desktops, or smartphone screens，when ordered to come.
The autonomous animation (动画制作) platform has been modeled after the human brain and nervous system，allowing it to show human like behavior.The digital teacher is assigned to teach “Be sustainable with energy”—a free program for Auckland elementary schools.
Just like the humans it replaced, Will is able to instantly react to the students' responses to the topiC．Thanks to a webcam and microphone，the avatar not only responds to questions the kids may have，but also picks up non verbal cues(暗示).For instance，if a student smiles at Will，he responds by smiling back.This two way interaction not only helps attract the students' attention，but also allows the program's developers to monitor their involvement, and make changes if needeD．
Nikhil Ravishankar believes that Will like avatars could be a novel way to catch the attention of the next generation.He says，“I have a lot of hope in this technology as a means to deliver cost effective，rich，educational experience in the future.”
The program，in place since August 2018，has been a great success thus far.Ravishankar says，“What was fascinating to me was the reaction of the children to Will.The way they look at the world is so creative and different，and Will really captured their attention.” However，regardless of how popular it becomes，Will is unlikely to replace human educators any time soon.
文章大意：新西兰奥克兰的一些小学生成为世界上第一批由数字化老师“教”的孩子。数字化老师Will能和学生积极互动，吸引学生的注意力。
5．What was special for some elementary school students in Auckland
A．A digital teacher taught them.
B．They first saw something digital.
C．This was the start of a new school year.
D．They could get close to smartphone screens.
解析：A 考查细节理解。根据第一段第二句“They became the world's first kids to be ‘taught’ by a digital teacher.”可知，他们成为世界上第一批由数字化老师“教”的孩子。由此可知，对奥克兰的一些小学生来说其特别之处在于有一位数字化老师“教”他们。故选A。
6．What is the benefit of this two way interaction
A．It can smile back.
B．It can use a microphone.
C．It can talk any topic for free.
D．It can change if necessary.
解析：D 考查细节理解。根据第三段尾句“This two way interaction not only helps attract the students' attention...and make changes if needeD．”可知，这种双向的互动不仅有助于吸引学生的注意力，还允许该程序的开发人员监视他们的参与度，并在需要时做出改变。由此可知，这种双向互动的好处就在于其可以在必要的情况下适时进行改变。故选D。
7．What's the author's attitude to Will's replacing human educators soon
A．OptimistiC． B．Doubtful.
C．Unclear. D．Disapproving.
解析：D 考查推理判断。根据最后一段尾句“However，regardless of how popular it becomes，Will is unlikely to replace human educators any time soon.”可知，作者认为无论它变得多么受欢迎，Will都不太可能在短期内取代人类教育工作者。由此可推知，D项符合题意。
8．What might be the best title for the passage
A．New High tech Contributes to Education
B．The World's First Digital Teacher Appears in the Classroom
C．The World's First Digital Teacher，a Help to Students
D．New Zealand Will Replace Teachers in the Classroom
解析：B 考查标题判断。本文为新闻报道类文章，第一段交代了文章的中心，即世界上第一个数字化老师走进课堂“教”孩子们，然后文章后面的段落围绕这个中心，交代了具体的上课内容、交流方式及对这种授课方式的看法。故B项最适合作本文标题。
Ⅱ.完形填空
语篇类型 夹叙夹议文
主题语境 人与自我——个人经历——作者对祖辈的辛劳和创造心怀感激
(2021·山东省日照一中第一次调研考试)I love the feeling of exchanging goods with my parents.When we visit them, we often end up __1__home more things than we brought with us.
After packing up at the end of our most recent visit, and after the last __2__ and sounding of the car horn(喇叭), I took a quick look at the back __3__of our car.At the top of the pile, folded __4__ and smartly, were a 50 year old baby blanket, several doilies(小型装饰桌巾) __5__ from generations of women in my family, and two small quilts.
These creative quilts, looking __6__but quite lovingly worn, remind me of my great grandmothers who were always __7__harD．I think of their __8__hands and the regular sound from their sewing machines.I think of their smiles and the wisdom found in the corners of their eyes.
I wish I could go back in time and watch them __9__ these quilts.I cherish the quilts my great grandmothers __10__．I love knowing that the women who __11__the way for my own path through life have left behind touchable expressions of themselves. __12__I touch the worn cloth of each creation, I will always remember the women who brought them into existence.I will be ever __13__ for the strong women in my family who have lived __14__ me and with me, who have left behind unbelievable examples to __15__ and lovely quilts to pass on.
文章大意：本文是一篇夹叙夹议文。作者喜欢和父母交换东西。那些旧物件使作者感受到祖辈女性的辛劳和创造。作者对她们心怀感激。
1．A．leaving B．buying
C．taking D．returning
解析：C 句意：当我们拜访他们的时候，最后我们带回家的东西往往比我们自己带的还要多。leaving离开；buying买；taking带；returning返回。上文提到“exchanging goods with my parents”，作者喜欢和父母交换物品。“take home more things”“bring with us”与上文的“exchanging goods”相呼应。故选C。
2．A．hugs B．handshakes
C．nods D．greetings
解析：A 句意：在最后拥抱之后，我按响汽车喇叭，然后迅速地看了看我们车的后座。hugs拥抱；handshakes握手；nods点头；greetings问候。根据生活常识，人们在分别时常拥抱告别。故选A。
3．A．door B．window
C．wheel D．seat
解析：D 作者此时已经上车，带的东西就放在车后座。door门；window窗户；wheel车轮；seat座位。故选D。
4．A．neatly B．closely
C．loosely D．quickly
解析：A 句意：在这堆叠得整整齐齐的东西的最上边放着一条有50年历史的婴儿毯，还有我们家族祖祖辈辈的女性传下来的小桌布和两床小被子。neatly整齐地；closely密切地；loosely宽松地；quickly快地。根据“smartly”可知，父母给作者带回去的东西堆放得整整齐齐。故选A。
5．A．taken down B．given away
C．passed down D．put away
解析：C 根据“from generations of women in my family”可知，这些小桌布是一代一代地传下来的。taken down取下来；given away赠送；passed down传下去；put away收拾好，整理好。故选C。
6．A．shabby B．delicate
C．ugly D．old
解析：B 句意：这些很有创意的被子，看起来很精致，但很破旧，让我想起了一直辛劳工作的曾祖母们。shabby破旧的；delicate精致的；ugly丑陋的；old古老的。根据上文的“creative”和下文的“lovingly”可知，这些东西虽然年代久远，已经旧了，但是看起来很精致。故选B。
7．A．learning B．working
C．playing D．feeling
解析：B 根据下文“their ________ hands and the regular sound from their sewing machines”可知，祖辈的女性们在辛劳地工作。learning学习；working工作；playing玩耍；feeling感受。故选B。
8．A．warm B．wrinkled
C．smooth D．soft
解析：B 句意：我想起了她们布满皱纹的双手，想起了她们的缝纫机发出的有规律的声音。warm温暖的；wrinkled有皱纹的；smooth光滑的；soft柔软的。根据“my great grandmothers”可知，作者回忆祖母们缝纫的情景，她们的手布满皱纹。故选B。
9．A．make B．invent
C．clean D．check
解析：A 句意：我希望我能回到过去，看看她们做这些被子。make制作；invent发明；clean清洁；check检查。根据上文描述曾祖母做缝纫工作时的情景“the regular sound from their sewing machines”可知，作者想看看她们如何做被子。故选A。
10．A．brought B．sent away
C．delivered D．left behind
解析：D 句意：我珍惜我的曾祖母们留下的被子。brought带来；sent away送走；delivered递送，投递；left behind留下，忘带。根据上文“several doilies ____ from generations of women in my family”可知，这些被子是祖祖辈辈的女性上一代留给下一代，一代一代往下传的。故选D。
11．A．pushed B．felt
C．paved D．changed
解析：C 句意：我很高兴地知道，那些为我铺平了人生道路的女性，留下了她们自己的感人的表达方式。pushed推；felt感觉；paved铺，铺设；changed改变。根据下文“...who have left behind unbelievable examples to _____and lovely quilts to pass on”可知，作者觉得祖辈的女性为她做出了榜样，为她的人生打下了基础，铺设了通路。故选C。
12．A．When B．If
C．Once D．Though
解析：A 句意：当我触摸每一件富有创意的旧布时，我将永远记得那些创造它们的女性。When当……时候；If如果；Once一旦；Though虽然。此处是描述作者抚摸着那些老旧的布料时的感受，因此用when引导时间状语从句。故选A。
13．A．regretful B．convinced
C．thankful D．respected
解析：C 句意：我将永远感激那些在我之前生活过的还有现在和我一起生活的家族中的坚强女性。她们留下了令人难以置信、值得效仿的榜样，还有可以传承下去的好看的被子。regretful遗憾的；convinced确信的；thankful感激的；respected受尊敬的。根据上文的“the women who ______the way for my own path through life”和“I will always remember the women...”可知，作者觉得这些女性为下一代铺平了人生道路，因此对这些女性心存感激，会永远记得她们。故选C。
14．A．through B．before
C．by D．for
解析：B 上文提到“...generations of women in my family”和“my great grandmothers”可知，作者感激家族中在她之前曾经生活过的祖辈女性。故选B。
15．A．replace B．build
C．set D．follow
解析：D 根据“examples”可知，作者觉得她应该效仿祖辈女性的榜样。replace替换，取代；build建造；set设置；follow遵循，跟随。故选D。
Ⅲ.应用文写作
(2021·山东省决胜新高考名校交流联考)假如你是学生会主席李华，你校要组织“野外生存”夏令营(Outdoor Survival Camp)活动，打算邀请英国交流生Chris参加，请你给他写一封邮件，内容包括：
1．时间、地点；
2．活动内容；
3．希望参加。
注意：1.词数80左右；
2．可以适当增加细节，以使行文连贯。
One possible version
Dear Chris，
I'm delighted to inform you that we will organize a one day Outdoor Survival Camp this Saturday morning in the Fresh Forest.
During the day, a variety of significant activities have been arranged, including setting up tents, catching fish, picking fruit and so on.At night, we'll take turns to be on guarD．It will be a meaningful challenge for us to survive in the wilD．
I do hope you will accept my invitation.Looking forward to your earliest reply.
Yours，
Li Hua
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