北师大版（2019）高中英语必修第二册Unit 4 information technology （核心讲解+练习）学案word版（含答案）

高一北师大2019版英语--必修二
Unit 4 INFORMATION TECHNOLOGY
【NOTES ON THE TEXTS】
Topic Talk
Technology really enables people to communicate better with each other. 科技真的能使人们更好地相互交流。
enable sb. to do sth 让某人能够做某事
allow sb. to do sth.
Eg: The new test should enable doctors to detect the disease early.
新的测试应该能够使医生早早发现疾病。

Lesson 1
They look forward to a time when their avatar will act like a real person and travel around bigger, more exciting virtual worlds.
他们期待着有朝一日，自己的虚拟形象会像真人一样去环游更广阔、更精彩的虚拟世界。
look forward to 期望，等待
Eg：I am looking forward to your reply. 我期待您的回复。
Lesson 3
It is these skills that enable us to develop lifelong friendships.
正是这些技能使我们发展终生的友谊。
【强调句型】It is + 被强调部分+ that...
57150-221615 判断强调句的方法：去掉“it is...that”后，句子仍然是完整的的则为强调句。
Eg：It was I that saw a man running in the cold and rainy night.
( I saw a man running in the cold and rainy night. 强调的部分是主语 I )
是我看到了一个男人在寒冷的雨夜奔跑。
Instead of having proper conversations with their friends, some people are only concerned with their online popularity--How many “likes” did I get?
一些人不再和朋友好好地交谈了，他们只关心自己网上的人气-----我得了多少个“赞”？
instead of 而不是......
Eg: You probably picked up my keys instead of yours.
He was wearing a scarf instead of a tie.
He grumbles at his lost instead of resolutely facing his difficulties.
他不是果敢的去面对困难，而是抱怨自己运气不佳。
Instead ad. 代替
Eg：I gave up my epic and wrote this little tale instead.
我放弃了写叙事诗，而写了这个小故事。
be concerned with 牵涉到，与......有关，挂念，担心
Eg：We should be concerned with the health of the community.
我们应该关心社区人民的健康。
It’s easy to be concerned with problems across the other side of the world and not see the poverty and unhappiness on your own doorstep.
人们往往会关注世界另一端的问题，而忽略了家门口的贫困和不幸。
be concerned about 关心，挂念
Eg：we shouldn’t be concerned about personal gains or fame.
我们不应该只关心个人所得和名声。
And employees need to be concerned about how they are rated.
而且员工需要对他们如何被评价而感到担忧。
【GRAMMAR】
----Past Future 过去将来时
一．过去将来时
定义：过去将来时表示从过去某时看将要发生的事
基本构成：主语 + would + V.(原型） /
主语+were（was）going to+V.(原型）
例句
Very few people knew that future avatars would have such a wide variety of forms and uses.
They discovered that they were going to have the power to create new identities.
【注意】would 用于过去将来时和表示过去重复的动作时含义不同。
57150-221615 He said he would raise the question at the meeting. (past future)
When I was small, my mum would read me stories at night. (repeated action in the past)
【练习】
练习一 I. 选择填空
1. Li Ming said he _____happy if Brian_____to China next month.
A. as; come B. was; would come C. would be; came D. will be; come
2. Jenny said she _____her holiday in China.
A. spent B. would spent C. was going to spent D. would spend
3. —What did your son say in the letter?
　—He told me that he ______ the Disney World the next day.
A. will visit????????? B. has visited??????C. is going to visit?? D. would visit
4. I hoped Tina ______ to my birthday party on time the next Wednesday.
　A. to come? B. is coming C. will come? D. was coming
5. Father said that he ______ me to Beijing the next year.
　　A. took?? B. would take C. takes?? D. will take
　6. We were not sure whether they ______ more vegetables.
A. are going to grow? B. were going to grow
C. will grow?? D. have grown
　 7. She ______ to work when the telephone rang.
　　 A. is going???? B. will go??? C. was about to go? D.? is to go
II. 用所给动词的适当形式填空
　1. Miss Zhang said she ________(visit) the Great Wall next summer. 　
　2. She told him that she ________(not stay) here for long.
　3. I wasn’t sure whether Lucy_______(come) the next year.
　4. The scientists said the world’s population _______ (slow) down in future.
　5. She said the bus _______(leave) at five the next morning.
　6. I wasn't sure whether he _______(lend) me his book the next morning.
　7. He was fifty-six. In two years he _______(be) fifty-eight.
　8. Whenever she has time, she ______(help) them in their work.
?
　练习二　 I. 选择填空
　1. Li Ming said he _____happy if Brian_____to China next month.
　A. as; come B. was; would come
C. would be; came D. will be; come
　2. Jenny said she _____her holiday in China.
　　A. spent B. would spent
　　C. was going to spent D. would spend
　3. —What did your son say in the letter?
　　—He told me that he ______ the Disney World the next day.
　　 A. will visit??????B. has visited??????C. is going to visit?? D. would visit
　4. I hoped Tina ______ to my birthday party on time the next Wednesday.
　　 A. to come? B. is coming C. will come? D. was coming
　5. Father said that he ______ me to Beijing the next year.
　　 A. took?? B. would take C. takes?? D. will take
　6. We were not sure whether they ______ more vegetables.
　　 A. are going to grow? B. were going to grow
　　 C. will grow????????? D. have grown
　　7. She ______ to work when the telephone rang.
　　 A. is going???? B. will go??? C. was about to go? D.? is to go
　　 II. 用所给动词的适当形式填空
　　1. Miss Zhang said she ________(visit) the Great Wall next summer. 　
　　2. She told him that she ________(not stay) here for long.
　　3. I wasn’t sure whether Lucy_______(come) the next year.
　　4. The scientists said the world’s population _______ (slow) down in future.
　　5. She said the bus _______(leave) at five the next morning.
　 6. I wasn't sure whether he _______(lend) me his book the next morning.
　　7. He was fifty-six. In two years he _______(be) fifty-eight.
　　8. Whenever she has time, she ______(help) them in their work.
　　
练习一：Key:I. 1-7 CDDDBBC
II. 1. would visit 2. would not stay 3. would come 4. would slow 5. was leaving 6. would lend 7. would be 8. would help
练习二 Key:I. 1-7 CDDDBBC
　　 II. 1. would visit 2. would not stay 3. would come 4. would slow 5. was leaving 6. would lend 7. would be 8. would help