根据下列句子及所给汉语注释或通过上下文， 在答题卡上标有题号的横线上，写出空缺处各单词的正确形式。每空只写一词。
小题1:Xiangcheng District has a （人口）about 40,000 at the end of 2013.
小题2: Mary waited while John （修理）the water pipes.
小题3:He made （敌人）of everyone—he other teams and the media.
小题4: Eric! Get in here and clean up the room. What a （混乱）！
小题5: My mother makes our clothes (平坦的)with an iron every week.
小题6: I made this card （专门地）for your birthday.
小题7: Now scientists have （发现）eating vegetables is so helpful for our health.
小题8: - Where is your sister now?
- She is the guitar at home.
小题9: -I hear your uncle loved English when he was young.
- Yes. He was so interested in it that he never gave up learning it himself in his spare time.
小题10: - What did the visitor say to you just now?
- He asked me if I was of the great changes that had taken place in Xiangcheng since 2000.
aT2
以上反应中，最节能的是 ，原子利用率最高的是 。
