【正文】 ave B. to save C. saving D. saved （ ） 7. A. use B. make C. using D. making （ ） 8. A. at B. of C. in D. on （ ） 9. A. inventors B. invent C. invents D. inventions （ ） 10. A. inventing B. invented C. made D. making 拓展閱讀 A) Read the passage and write True (T) or False (F). 閱讀短文，判斷正（ T）誤（ F） Three things are necessary for us to keep alive (活的 ). They are air, water and food. We eat food two or three times every day. We breathe (呼吸 ) air continually (不斷地 ) day and night. If a man does not eat and food, he can live for about three weeks。 if he is stopped from drinking, he can keep alive for about three days, but if he doesn’t breathe, he can keep alive for only about three minutes. So we see that breathing is more important than drinking, and drinking is more important than eating. ( ) 1. We can’t live without air, water and food. ( ) man can keep alive for about twentyone days if he has water to drink and air to breathe. ( ) 3. He can live for about three days if he only drinks water. ( ) 4. If he is stopped from breathing, He’ll die