高考总复习：高一英语--Unit 2
Unit 2 In the lab
Lesson 5
1.Have you been in this lab before?你们以前进过这个实验室吗?
Have(Has) been to意为“到过什么地方”。例如:
I have been to the Great Wall many times.我去过长城多次。
A:Where have you been?你去哪里了?
B:I ve been to the library.我去图书馆了。
Have you ever been abroad before?你以前出过国吗?
【注意】 have(has) been to和 have(has) gone to的区别:have(has) gone to表示:已去某地，或已到达某地。例如:
My husband has gone to London today.我丈夫今天去伦敦了。
It s seven already. All the teachers have gone home.现在已经七点了，所有的老师都回家了。
2. make sure...
make sure表示“务必”，“确信”，“弄明白”，后面常接 of/about sth.或that引导的宾语从句。例如:
Make sure(that) you will arrive there on time.你务必准时到这。
I know there s a train this afternoon， but I must make sure of the time.我知道今天下午有列火车，但我必须弄清楚(发车)时间。
注意:make sure后通常不接不定式。
误:Make sure to shut the windows.
正:Make sure that you shut the windows.
正:Make sure that the windows are shut.
3. first of all
first of all意思为“首先，最重要的”，是first的强调形式，常用于句首。例如: First of all， I d like to say how glad I m here.
I have a lot to say，but first of all，I want to thank you for your warm welcome.
【注意】和at first的区别:
at first意为“开始，起初”，相当于 at the beginning，通常指某事刚发生时的情况，但后来往往发生了变化。例如:
At first he knew nobody here， but now he has made a lot of friends.
4.turn off
turn off意为“切断(电源)，关掉(自来水、电灯、收音机等)”，其反义词为turn on。注意这里不能用close或open。
例如:
Please turn off the lights before you go out.
As soon as he got home，he turned on TV.
5.Once you are in here， listen to your teacher.一旦你们进到这里，就要听老师的。
once这里用作连词，相当于 from the moment that， when，意思为“一旦，一……就”，引导时间状语从句。例如:
Once she arrives，we can start.
Once he understands why he must study， he will study hard.
once还可用作副词，有“一次”或“曾经”的意思。例如:
They went there once a week.
6.Don t touch anything unless your teacher tells you to.
除非老师让你动，否则就不要动任何东西。=如果老师不让你动，你就不要动任何东西。
1)unless用作连词，相当于if...not，作“除非……，否则……”解，引导条件状语从句，可放在主句前，也可放在主句后，从句中的动词要用现在时来代替将来时。例如:
I’ll be back tomorrow unless there s heavy snow.(= I ’ll be back tomorrow if there isn’ t heavy snow.)
He’ll stay at home unless he is invited to the party.
2)...unless your teacher tells you to 中 to是不定式符号，后面省略了与主句相同的动词touch，以避免重复，但 to 不能省略。例如:
—Would you like to go to his birthday party?
—I d love to(go).
My parents wish me to study medicine in the future， but
I don t want to.我的父母希望我将来学医，但我不想。
Lessons 6 & 7
1.have a way of...
way在这里意为“方式，方法”，后面常接介词of。a way of sth./doing sth.表示“(做)某事的方式或方法”。例如:
He has a good way of working out the problem.
I don t like his way of living.
way也可用作“路径”解。例如:
Can you tell me the way to the library?
If you lose your way，ask a policeman.
2.make one s classes lively and interesting 在make+sb. /sth. + 形容词 中，make意思为“使……，致使……”。其中的形容词用来修饰sb./sth.的性质或所处的状态。例如:
We are trying to make our country stronger.
The song made him popular with the students.
make后面还可以接省略to的动词不定式，即make sb.do sth.，“让某人做某事”。注意:此结构变为被动语态时，不定式结构要带to。例如:
The teacher made her copy the whole text.
(=She was made to copy the whole text.)
3.be filled with...
fill，动词，意思是“填满，装满”，后面常接介词with，表示“用……装满/填满……”，也可以用于被动语态中，即be filled with...“被装满/填满……”。注意和be full of的区别。
full用作形容词，表示所修饰词的状态，be full of...意思是 “装满了……”。例如:
She was filled with happiness when she heard the news.
The bag is full of sand.
4.mix v.
mix，混合，搅拌 (物理过程)。后面常接介词with。例如:
Oil and water don t mix.
(=Oil doesn t mix with water.)
You’d better mix the study with pleasure.
mix up意为“混淆，搞混”。例如:
I m afraid I have mixed your names up.
If you mix up those newspapers，we won’t find the one we need quickly.如果你把这些报纸混在一起，我们就不能很快找到我们需要的那张。
mix的名词形式是mixture，意思为“混合物”。例如:
This glass of drink is the mixture of three kinds of fruit juice.
5.taste terrible
taste这里用作系动词，意思为“尝起来……”，后接形容词作表语。类似的系动词还有smell，sound，look，feel等。例如:
The mixture smells terrible.
The music sounds wonderful.
The sofa feels soft.
除了上述表示感觉的系动词外，英语中还有一些表示变化的系动词，如become，get，turn等，后面也可接形容词作表语。
It s getting colder and colder.
In autumn，the leaves turn yellow.
6.instead of
instead of意为“代替……，……而不……”，后接名词、代词、动名词或介词短语。例如:
I ll go to Wuhan instead of her.
The baby was smiling at me instead of crying.这孩子没有哭，反而冲我笑了。
He went there on foot instead of by bus.他是步行去那儿的，而不是乘车。
注意instead of...和instead的区别。
instead副词，一般用于句末，后面不再跟其他词，用于否定前面提到的事情;instead of...短语介词，用于否定of后面的宾语。例如:
Mr Zhang was ill yesterday，so Miss Wei took his class instead.(=Miss Wei took the class instead of Mr Zhang，beˉcause he was ill yesterday.)张老师生病了，所以魏老师代他上课。
We didn t walk there.Instead，we took a taxi.(=We took taxi there instead of walking)我们没有步行，而是坐出租车去那儿的。
7.none of...
none of...意为“(在三个或三个以上的人或事中)没有一个”，后面接名词或代词。如果用于句首，谓语动词可用单数，也可用复数。注意none通常不单独用。例如:
None of us is/are interested in history.我们中没有一人对历史感兴趣。
I like none of the books.这些书我一本都不喜欢。
注意none和neither的区别。neither (of...)意思是“(两者中)没有一个或都不”，后面可接名词或代词，作主语时，谓语动词常用单数。例如:
Neither of my parents was at home.我父母都不在家。
I want neither of the two books.这两本书我都不想要。
8. You must do everything as I do.
这儿的as作“像……，按照……”解。例如:
When in Rome， do as the Romans do.入乡随俗。
as也可以引导时间状语从句，意思为“当……时候，随着……”。例如:
As he was a child，he loved reading.
As time passed，I nearly forgot the thing.随着时间的流逝，我几乎忘了这件事。
as还可以引导原因状语从句，意思为“因为，由于”。例如:
As he had no car，he couldn t get there early.
Lesson 8
1.let...out
let...out意为“让……出去”，其反义词组为let...in，这里的out和in都用作副词。注意其对应词组是:let...out of...，let...into...，后一组词后面均可接表示地点的名词，表示“从……出来”和“进入……”。例如:
Open the window and let the smoke out.
It s dangerous to let the tiger out of its cage.
2.at the back of...
at the back(of...)意为“在(……内部)后面”，其反义词组
为in the front of...“在(……内部)前面”。例如:
The teacher is standing in the front of the classroom，
while the foreign guests are sitting at the back(of the classroom).
注意:和它们对应的一组词是in front of...“在……(外部)的前面”和behind...“在……(外部)后面”。例如:
There s a beautiful garden behind the house.
Some children are playing on the playground in front of the classroom.
3.at the end of...
at the end of...意思是“在……之末”，其反义词组是at
the beginning of...“在……之初”，“在……开始”。注意of都不可以省略。例如:
He will leave for New York on business at the end of this month，and will be back at the beginning of next month.
例1 单项填空
Those oranges taste .
A. good B. well
C. to be good D. to be well
【解析】 答案为A。
系动词taste后面要接形容词作表语。
例2 单项填空
I can hardly hear the radio. Would you please ?
A. turn it on B. turn it down
C. turn it up D. turn it off
【解析】 答案为C。
根据语境，说话人是希望将音量调大一点，以便他听得更清楚。所以该选C。
例3 单项填空
He put the books in the box the shelf.
A. instead B. instead of
C. instead of on D. instead on
【解析】 答案为C。
本题考查instead及instead of的用法。题干中的in the box与on the shelf对应。所以该选C。