七年级上Unit 3同步练习题答案和解析
一、选择题。
Mary has long hair, but my hair is _____ than _____.
A．shorter; she B．longer; her C．longer; hers D．shorter; herself
【答案】C
【解析】此题考查的是比较级和代词的辨析。句意：Mary有着一头长发，但我的头发比她的更长。shorter 更短；longer 更长；she 她，主格，作主语；her 她的，形容词性物主代词，作定语，她，宾格；hers 她的，名词性物主代词，作主语、宾语等；herself 她自己，反身代词。因此，正确答案是C。
Please ask Mary _____ the English word (单词).
A．to spell B．spell C．spells D．spelling
【答案】B
【解析】ask 表示“要求；让”时，后面使用动词不定式作宾语，意为“要求某人做某事”。
Are there _____ pencils in the schoolbag
A．some B．any C．a D．an
【答案】B
【解析】一般情况下，some 用在肯定句中，any 用于否定句或疑问句中。
—Please help me _____ my watch. I can't _____ it.
—OK.
A．looking for; look for B．finding; find
C．find; look for D．look for; find
【答案】D
【解析】用词语辨析法。look for 表示“寻找”，强调找的过程；find 表示“找到”，强调结果。句意为“——请帮我找一下我的手表，我找不到它了；——好的”。
—_____ do you spell "orange"
—O-R-A-N-G-E.
A．How B．Who C．Why D．What
【答案】A
【解析】用固定句型法。表示如何拼写某个单词用句型“How do you spell ... ”。
You can ask your teacher _____ help.
A．in B．at C．for D．on
【答案】C
【解析】用固定搭配法，ask sb. for help 为固定短语，意思为“向某人寻求帮助”。
—Mum, may I play computer games this evening
—No way, you _____ finish your homework.
A．can B．must C．may D．will
【答案】B
【解析】用词语辨析法。考查情态动词辨析。can 能；must 必须；may 可能；will 将要。由句意“——妈妈，今晚我能玩电脑游戏吗？——不行。你必须完成你的家庭作业。”
When you find fire (当遇到火灾时), you must _____ 119.
A．call B．meet C．lost D．look for
【答案】A
【解析】表示“拨打某个号码”使用动词 call。
—Is there a boy behind the tree
—No, _____.
A．there are B．there is C．there aren't D．there isn't
【答案】D
【解析】本题考查一般现在时（be 型）的一般疑问句及回答。因为问句是Is there，回答时和问句保持数的一致，故回答时be动词用is，又因为回答的开头是No，是否定回答，故选D。
—Are there any notebooks on COVID-19 (新冠肺炎病毒) in your school
—_____. They tell us how to protect ourselves in this big event.
A．Yes, they are B．Yes, there are C．Yes, there is D．Yes, it is
【答案】B
【解析】句意为“——你们学校有关于新冠肺炎病毒的手册吗？——是的，有。它们告诉我们在这个重大事件中如何保护自己”。考查 there be 结构，根据问句是 there be 结构，可知答语也要用 there be 结构回答，故排除 A 和 D；根据问句的主语是“any notebooks”，可知 be 动词要用复数形式，排除 C。
—Is there _____ juice in the glass
—Yes, there is
A．some; any B．any; some C．some; some D．any; any
【答案】B
【解析】some 通常用在肯定句或表示请求希望得到肯定回答的疑问句中， 而 any 用于疑间句或否定句中。
—_____, can you tell me the way (路线) to the bank
—_____, I don't know.
A．Sorry; Excuse me B．Sorry; Sorry
C．Excuse me; Excuse me D．Excuse me; Sorry
【答案】D
【解析】引起别人注意要使用 excuse me， 如果不能为别人提供帮助，则使用 sorry (对不起)表示歉意。
—What about _____ to school now
—OK. Let's go.
A．go B．to go C．goes D．going
【答案】D
【解析】about 是一个介词，后面要使用动名词作宾语。
—Are these pencils _____ Jane
—No, they aren't. l think they are _____.
A．your; he B．yours; he C．your; his D．yours; his
【答案】D
【解析】考查物主代词。因为两个设空处后面都没有名词，所以需要用名词性物主代词。
—It's very kind of you to help me. Thank you very much.
—_____.
A．Thank you B．Don't thank me
C．Sorry to help you a little D．You're welcome
【答案】D
【解析】用情景交际法。回答别人的感谢时常使用“You're welcome.”，意思是不客气。
Thank you for _____ me with my English.
A．help B．to help C．helps D．helping
【答案】D
【解析】Thank you for... 后面可以接名词，如果出现动词，则使用其 -ing 形式。
Thank you _____ your family photos. They are very nice.
A．to B．in C．for D．at
【答案】C
【解析】Thank you for… 是一个固定句型，意为“为……面感谢你”。
This morning, Tom found a set of keys _____ the school library.
A．on B．of C．in D．under
【答案】C
【解析】in the school library 意思是“在学校图书馆里”。
—Is the schoolbag on the desk
—No, _____. It's _____ the bed.
A．it is; on B．it is; in C．it isn't; under D．it is; under
【答案】C
【解析】用排除法。答语中的“No”表示否定回答。选项 A、B 和 D 中的“it is”都是肯定回答。
—_____
—Yes, she is.
A．How are you B．What's your name
C．Is she Helen D．How do you do
【答案】C
【解析】用语法分析法。使用 yes 或 no 回答的句子是一般疑问句。四个选项中只有 C 项符合题意。
二、用所给单词的适当形式填空。
I'm your (teach) and you're my students.
【答案】teacher
【解析】本题考查 teach 的派生词。句意：我是你们的老师，你们是我的学生。teacher 是名词，意为“老师”。
The family photos aren't (I) room.It must be in (he).
【答案】my；his
【解析】第一个空后有名次 room，因此这里需要填一个形容词性物主代词；第二个空后没有名词，因此应该用名词性物主代词。
Thank you for me a card. (make)
【答案】making
【解析】此题考查的是固定句型的用法。Thank you for doing sth. 为……而感谢你。因此，正确答案是making。
My friend is always ready (help) others, so everyone likes him.
【答案】to help
【解析】be ready to do sth 是固定搭配，意为“乐意做某事”。
Jim (not watch) TV on school days.
【答案】doesn't；watch
【解析】一般现在时的否定句。
Your books are on the table. Those books are (she).
【答案】hers
【解析】句意：你的书在桌子上。那些书是她的。she 她，人称代词主格；hers 名词性物主代词，在此作表语。因此，正确答案是hers。
What about (draw) pictures
【答案】drawing
【解析】句意：画画怎么样？What about doing sth. 做某事如何？用于提出建议；draw 动词，画画，动名词形式为drawing。因此，正确答案是drawing。
Jim often (watch) sports programmes on TV.
【答案】watches
【解析】句意：Jim 经常在电视上看体育节目。根据 often 可知句子时态为一般现在时。主语为第三人称单数，故谓语动词应使用第三人称单数形式。故填 watches。
This blue pen is good. Is it (your)
【答案】yours
【解析】句意：这支蓝色钢笔很好。它是你的（钢笔）吗？根据句意可知此处须填写物主代词，又因空后无名词，故此处需要填写名词性物主代词。故填 yours。
Your key is in the lost and (find) case.
【答案】found
【解析】句意：你的钥匙在失物招领箱里。lost and found case 失物招领箱。因此，正确答案是found。
三、按要求改写句子。
Please get me the book. (改成同义句)
Please the book me.
【答案】get；for
【解析】get sb. sth. = get sth. for sb. 把某物给某人取来。
Thanks for your help. (同义句转换)
for your help.
【答案】Thank；you
【解析】thanks 意为“感谢”，与 thank you 同义。
He has been a waiter since three years ago. (保持句意不变)
He has been a waiter three .
【答案】for；years
【解析】句意：从三年前他就是一个服务员了。保持句意不变为：他已经是一个服务员三年了。“for+一段时间”表示持续了一段时间，用于现在完成时，且谓语动词是延续性动词；three years 三年。因此，正确答案是for；years。
What about oranges (改为同义句)
oranges
【答案】How；about
【解析】句意：橘子怎么样？改为同义句：橘子怎么样？how/what about 怎么样。
因此，正确答案是How about。
Does he have time on the weekend (改为同义句)
he on the weekend
【答案】Is；free
【解析】句意：在周末，他有时间吗？改为同义句后：在周末，他有空吗？have time 有时间；be free 有空闲，有时间；根据原句的助动词does可知用一般现在时，同义句主语是he，故be应用is，且在一般疑问句中is要置于主语前构成疑问语序位于句首，并首字母大写。
因此，正确答案是Is；free。
四、根据下列句子及所给的首字母或中文提示填空。
This isn't my toothbrush. M is on the table.
【答案】Mine；ine
【解析】句意：这不是我的牙刷。我的在桌子上。mine 我的，名词性物主代词，在此作主语。
因此，正确答案是Mine。
The books on the table aren't y . Your books are in the schoolbag.
【答案】yours；ours
【解析】句意：桌上的那些书不是你的。你的书在书包里。yours 你的，名词性物主代词，在此作表语。因此，正确答案是yours。
It's a two kilometers from here to there.
【答案】about；bout
【解析】句意：从这儿到那儿大约两公里。about 大约，副词。因此，正确答案是about。
(原谅) me! Where is Classroom 305
【答案】Excuse
【解析】句意：打扰一下！305教室在哪里？excuse 动词，原谅；祈使句谓语动词用原形。
因此，正确答案是Excuse。
Look at my new (手表). Is it very cool
【答案】watch
【解析】句意：看我的新手表。它是不是很酷？watch 可数名词，手表；由it可知用单数形式。
因此，正确答案是watch。
This is your eraser, but where is (我的)
【答案】mine
【解析】句意：这是你的橡皮，我的在哪里？mine 名词性物主代词，我的，相当于my+名词。
因此，正确答案是mine。
I lost my father's camera. Can you help me (找到) it
【答案】find
【解析】句意：我丢了我爸爸的相机。你能帮助我找到它吗？find 找到，实义动词；help sb. do sth. 帮助某人做某事。因此，正确答案是find。
—Is this Helen's basketball
—No, it isn't (她的).
【答案】hers
【解析】句意：——这是Helen的篮球吗？——不，那不是她的。hers 她的，名词性物主代词，相当于“her+名词”。因此，正确答案是hers。
How about (eat) some fish and rice
【答案】eating
【解析】句意：吃些鱼肉和米饭怎么样呢？eat 吃；how about doing sth. 做某事怎么样。
因此，正确答案是eating。
Many books are in the school l .
【答案】ibrary；library
【解析】句意：在学校的图书馆里有很多书。library 可数名词，图书馆。
因此，正确答案是library。
五、根据所给中文意思完成句子，一空一词。
汤姆来自美国。那吉姆呢？
Tom is from America. Jim
【答案】What；How；about
【解析】what/how about ……怎么样
你通常向谁请求帮助？
【答案】Who do you usually ask for help
【解析】usually 通常；ask for help 寻求帮助；根据句意可知，时态用一般现在时，用疑问词who引导特殊疑问句；ask 是实义动词，故在主语前加助动词do。
你的朋友在中国吗？
Is your friend
【答案】in；China
【解析】in 在，后面接国家；China 中国。
“我的书包在哪里？”
“在桌子下面。”
—Where's my
—It's the table.
【答案】schoolbag；under
【解析】schoolbag 书包；under 在……下面。
赵敏，打开你的书。
your , Zhao Min.
【答案】Open；book
【解析】open your book 打开你的书。七年级上Unit 3同步练习题
一、选择题。
Mary has long hair, but my hair is _____ than _____.
A．shorter; she B．longer; her C．longer; hers D．shorter; herself
Please ask Mary _____ the English word (单词).
A．to spell B．spell C．spells D．spelling
Are there _____ pencils in the schoolbag
A．some B．any C．a D．an
—Please help me _____ my watch. I can't _____ it.
—OK.
A．looking for; look for B．finding; find
C．find; look for D．look for; find
—_____ do you spell "orange"
—O-R-A-N-G-E.
A．How B．Who C．Why D．What
You can ask your teacher _____ help.
A．in B．at C．for D．on
—Mum, may I play computer games this evening
—No way, you _____ finish your homework.
A．can B．must C．may D．will
When you find fire (当遇到火灾时), you must _____ 119.
A．call B．meet C．lost D．look for
—Is there a boy behind the tree
—No, _____.
A．there are B．there is C．there aren't D．there isn't
—Are there any notebooks on COVID-19 (新冠肺炎病毒) in your school
—_____. They tell us how to protect ourselves in this big event.
A．Yes, they are B．Yes, there are C．Yes, there is D．Yes, it is
—Is there _____ juice in the glass
—Yes, there is
A．some; any B．any; some C．some; some D．any; any
—_____, can you tell me the way (路线) to the bank
—_____, I don't know.
A．Sorry; Excuse me B．Sorry; Sorry
C．Excuse me; Excuse me D．Excuse me; Sorry
—What about _____ to school now
—OK. Let's go.
A．go B．to go C．goes D．going
—Are these pencils _____ Jane
—No, they aren't. l think they are _____.
A．your; he B．yours; he C．your; his D．yours; his
—It's very kind of you to help me. Thank you very much.
—________________.
A．Thank you B．Don't thank me
C．Sorry to help you a little D．You're welcome
Thank you for _____ me with my English.
A．help B．to help C．helps D．helping
Thank you _____ your family photos. They are very nice.
A．to B．in C．for D．at
This morning, Tom found a set of keys _____ the school library.
A．on B．of C．in D．under
—Is the schoolbag on the desk
—No, _____. It's _____ the bed.
A．it is; on B．it is; in C．it isn't; under D．it is; under
—________________
—Yes, she is.
A．How are you B．What's your name
C．Is she Helen D．How do you do
二、用所给单词的适当形式填空。
I'm your (teach) and you're my students.
The family photos aren't (I) room.It must be in (he).
Thank you for me a card. (make)
My friend is always ready (help) others, so everyone likes him.
Jim (not watch) TV on school days.
Your books are on the table. Those books are (she).
What about (draw) pictures
Jim often (watch) sports programmes on TV.
This blue pen is good. Is it (your)
Your key is in the lost and (find) case.
三、按要求改写句子。
Please get me the book. (改成同义句)
Please the book me.
Thanks for your help. (同义句转换)
for your help.
He has been a waiter since three years ago. (保持句意不变)
He has been a waiter three .
What about oranges (改为同义句)
oranges
Does he have time on the weekend (改为同义句)
he on the weekend
四、根据下列句子及所给的首字母或中文提示填空。
This isn't my toothbrush. M is on the table.
The books on the table aren't y . Your books are in the schoolbag.
It's a two kilometers from here to there.
(原谅) me! Where is Classroom 305
Look at my new (手表). Is it very cool
This is your eraser, but where is (我的)
I lost my father's camera. Can you help me (找到) it
—Is this Helen's basketball
—No, it isn't (她的).
How about (eat) some fish and rice
Many books are in the school l .
五、根据所给中文意思完成句子，一空一词。
汤姆来自美国。那吉姆呢？
Tom is from America. Jim
你通常向谁请求帮助？
你的朋友在中国吗？
Is your friend
—我的书包在哪里？
—在桌子下面。
—Where's my
—It's the table.
赵敏，打开你的书。
your , Zhao Min.
