冀教版九年级上册Unit 5 Look into Science Lesson 30 练习 （含答案）

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Unit 5 Look into Science
Lesson 30　Science Affects Us
Ⅰ. 根据句意及所给提示填空。
1. You cough so badly! I _________（建议）that you should go to see the doctor.
2.With the ____________ （发展）of the society, more and more people devote their energy to charity.
3. The air pressure _________ （影响）the result of the ex...