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One percent of the solar energy that reaches the Earth is enough to provide power (3) the total population. Many countries are already using solar energy[r]
(1)Lưu ý: Tài liệu mang tính chất lưu hành nội EXERCISES FOR UNITS & – GRADE
UNIT
GRAMMAR:
* Conditional sentences (Câu điều kiện) Type 1: Real condition
If clause Main clause
Simple present S + V/ V-s/ V-es
Simple future S + will + V (bare-infinitive) can
* Adjective + that clause
* Adjective clauses of reason : as/ since/ because + clause * Adverds of manner:
Adj - ly Adv extreme extremely
good well
happy happily
sad sadly
slow slowly
I Choose the correct word or phrase (A, B, C, D) that best fits the space in each sentence: 1.They shouted and looked at me when I broke the vase
A angry B angrier C angrily D anger
2 He is tired _ he stay up late watching TV
A so B because C But D and
3 We are talking about the preservation of _ resources
A natural B naturally C nature D naturalize Is he really _ that you can’t come there?
A disappoint B disappointed C disappointing D disappointment It is our policy to forest and increase forestation
A protect B protecting C to protect D protected I suggest to the movie
A go B to go C going D went
7 They made their living by _ fish in the ocean every day
A catch B catching C to catch D caught
8 I will be if she manages to sell that motorbike at a high price
(2)Lưu ý: Tài liệu mang tính chất lưu hành nội A surprise B surprised C surprising D to surprise
9 If you know where she lives, please let me
A know B knew C known D to
know
10 If you live in this small town, you earn much money
A aren’t B couldn’t C can’t D didn’t
11 Unless you understand, I _ explain it again to you
A am B was C will D would
12 If he _ a student, he will get a discount
A is B was C were D will be
13 Because plastic bags are very hard to _ , they will cause pollution
A collect B wrap C tear D dissolve
14 If people public transport, there will be less pollution
A used B will use C can use D use
15 Minh’s English is excellent He speaks
A perfectly English B English perfectly C in perfect Enlish D English perfect
16 If you go doing that, you’ll end _ in serious trouble
A up/with B on/up C off/with D out/up
17 Crops are sprayed with to kill insects
A fertilizer B manune C dung D pesticide
18 What about used paper, bottles, and cans every day?
A collect B collecting C to collect D to collecting 19 If the sea water couninue to be polluted, many fish species extinct
A Became B will become C would become D
become
20 _ is the process of removing the trees from an area of land
A Refreshment B Rock C Garbage D
Deforestation
II Use the correct form of the word given in each sentence:
1 The old man walked to the park (slow) The air in the city is very .(pollute)
3 Please listen to the lecture (care) _ If the continues, what will happen? (pollute)
(3)Lưu ý: Tài liệu mang tính chất lưu hành nội _ What is responsible for the problems
in your city? (environment)
7 _ Use public transport or we won’t
_ pollution (minimum)
8 _ If we the water, we won’t have fresh water to use (pollution) _ I’m that people have spoiled this areA (disappoint)
10 _ I look forward to good responses from your company (receive)
11 She declined his invitation (polite)
12 I think the careless drivers should be fined (heavy)
13 If we go on littering, the environment wil become polluteD ( serious) 14 _ She broke the vase because she was
(care)
15 We can protect the environment by air pollution (reduction)
16 We’ll make the beach again (beauty) 17 They use to catch fish (electric)
18 _ You can the amount of gas by travelling by bicycle or public transport (reduction)
19 He is going to all the bags (collection) 20.Some volunteer help to clear up the beach (conserve)
III Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it:
1 Why don’t we go for a picnic on the weekend?
Let’s _ Let’s go to work by bus
What about Nga is a good English speaker
Nga speaks Unless you get a visa, you can’t visit the United States
If you If you don’t succeed, you’ll have to try it again
Unless I suggest collecting unused clothes
Let’s She failed in the exam because she was lazy (because of + noun phrase)
She Hard work leads us to success
If _ Hoa broke the cup She was careless (since)
Since 10.We were disappointed She didn’t keep her promise (Adj+ that- clause)
(4)Lưu ý: Tài liệu mang tính chất lưu hành nội UNIT
Structures:
S + suggest + V- ing
S + suggest + (that) + S + (should) + V (bare- infinitive) I Use the correct form of the word given in each sentence:
1 The drivers have left lots of garbage on the ground after their (refresh)
2 The sun can be an sourse of power (effect)
3 A new air- conditioner will be this afternoon (installation)
4 _ energy doesn’t cause pollution (sun)
5 There is a faucet in your kitchen.(drip)
6 _ Scientists are looking for an effective way to reduce energy _ (consume)
7 _ The new machine he bought last week works _ (effective)
8 _ Let’s have an mend the iron (electric) _ _, he finished his work (ultimate)
10 _ I’m about my final exam (worry) 11 _ ’s main concern is the quality of a new
product (consume)
12 _ We should save our country’s resources (nature)
13 _ Her appearance is today We don’t need
her (need)
14 _ Farm are always exporteD (produce) 15 _ Life is always needs a lot of (innovate) 16 _ The of the model attracts us.(efficient) 17 _ They are working , so we are satisfieD
(5)Lưu ý: Tài liệu mang tính chất lưu hành nội 18 _ We can save electricity by the of
ordinary 100- watt light bulbs with energy-saving bulbs.(replace)
19 _ Many household are expensive to run (apply)
20 _ We were all impressed by the speed and of the new system (efficient)
II Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it,
It’s two years since we last saw Mr Thanh
We haven’t _ It was raining, so we decided to postpone our camping
Since The river is too dirty for us to swim in
As She couldn’t join us because she was busy
She was busy, so Shall we go to the cinema tonight?
What about Why don’t we use energy-saving bulbs?
I suggest Why don’t we recycle these things?
I suggest (that) these _ Work hard and you will pass the exam
If you I think
we should save the energy
I suggest _ 10 _“Why
don’t you repair the electric fan, Ba?”
(6)Lưu ý: Tài liệu mang tính chất lưu hành nội III Fill in each gap with a suitable word in the box:
energy - money - electricity - machines - by - save - how much -in
For most North American households, lighting accounts for 10 percent to15 percent of the _ (1) bill However, this amount can be reduced (2) replacing an ordinary 100-watt light bulb with an (3) saving bulb These bulbs use a quarter of the electricity of standard bulbs and last eight times longer Therefore, consumers can (4) about US$7 to US$21 per bulb
In Europe, there is a labeling scheme for refrigerators, freezers, washing (5) and tumble dryers The label tells the consumers (6) energy efficicency each model has, compared with other appliances (7) the same category
Ultimately, these innovations will save (8) as well as conserving the Earth’s sources
or - cloud - cloudy - are - electricity - heat - for
At present, most of our (1) comes from the use of coal, gas, oil
(2) nuclear power This power could be provided by the sun One percent of the solar energy that reaches the Earth is enough to provide power (3) the total population