Ex3: Write conditional sentences type 2, using the cues given.
1. If/ we/ destroy/ the ozone layer/ what/ save/ us/ the UV rays?
2. If/ people/ not really care/ the environment/ they/ not try/ save it.
3. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.
4. We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.
Ex4: Complete the sentences with the correct form of the verbs in brackets.
(Dùng dạng đúng của ĐT trong ngoặc: theo công thức câu ĐK 1 hoặc 2)
1. If we_____ (not recycle) paper now, we’ll need to cut down more trees in the future.
2. If the local people_____ (have) fresh water, they wouldn’t have to use polluted water.
3. What________ (happen) if radioactive material was not handled properly?
4. If we recycle more household waste, there____ (be) less damage to the environment.
5. If we________ (not understand) environmental problems, we would not be able to do anything about them.
6. If the polar ice-caps melted completely, Sea levels worldwide_ (rise) about 60 metres.
7. The amount of plastic in the ocean________ (increase) if we________ (not take) action now.
8. These fish_____ (not die) if the factory ____ (not dump) its toxic waste into the river.
9. There ________ (not be) enough oxygen if we ________ (not protect) the rainforests.
10. If I ________ (be) the President, I ________ (ban) billboards in cities in order to reduce visual pollution.
Loga
Sinh Học lớp 12
