Review

Traffic fumes contribute greatly to air ______________ in this city.

• pollution

• pollutant

• polluted

• pollute

The government should always keep in mind and try to limit the impact of tourism on the environment.

• A. affect

• B. consequence

• C. result

• D. effect

Rewrite the sentence:

You must turn off electronic devices before take-off.

Clifford School ______________ in 1990, but it ______________ by an earthquake in 2012.

                                        

                              

• A. was built / destroyed  

• B. was built / was destroyed   

• C. built / was destroyed

• D. built / destroyed

If I were the mayor, I ______________ single-use plastic in this town.

• A. banned

• B. will ban

• C. would ban

• D. would have banned

Student A: Let’s have a barbecue this weekend!

Student B: ______________

• A. I’m glad you like it.

• B. Great idea!

• C. That’s a nice compliment.

• D. Congratulations!

There are many chemicals that ______________ the ozone layer, one of which is CFC.

• A. hurt

• B. erode

• C. injure

• D. damage

If we ______________ our own water bottles, we can help reduce plastic pollution.

• A. brought

• B. bring

• C. are bringing

• D. will bring

If all countries ______________ to renewable energy, the environment ______________ cleaner.

• A. switch/ will be

• B. switched/ would have been

• C. switch/ would be

• D. switched/ would be

______________ is a mixture of decayed plants, vegetables or food, etc. that can be added to soil to improve its quality.

• A. Chemical fertilizer

• B. Pesticide

• C. Compost

• D. Waste