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Read the following passage then answer questions :
Pollution is a big problem and danger. The air we breathe is on longer clean . It is full of smoke and fumes from cars and factories . It is causing lung cancer , as well as brain damage in children . That is really danger , so scientists are planning to improve upon electric cars . We also intend to build environmentally clean factories outside the cities , and should plant more trees to absorb carbon dioxide in the air .
- Which kind of pollution is this passage about ? ---------------------------------------------------
- What are scientists planning to ?-----------------------------------------------------------------------
- Smoke and fumes come from car and ( houses – factories – hospitals )
-Pollution causes brain ( damage – build – absorb ) in children .
3- Put true ( ) or false ( ) :
- Planting more tree *******es air . ( )
4- write down what noun does the underline pronoun refer to :
- [ It ] in line 1 =________
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