7 . 用方框中单词的适当形式完成下列句子，每个单词只能用一次。

enhance；consumer；academy；deserve；rare；embarrass；anxious

1. The well-known clown feels deep ________ although he makes the audience laugh.
2. It was a deeply ________ moment when I called her a wrong name.
3. Trust me. Add some drawings to the wallpaper, which will much ________ its attractiveness.
4. David ________ asks questions when he encounters difficulties in study. He thinks instead.
5. I was so embarrassed that I wanted the floor to open up and ________ me.
6. Normally, the students return in September for the start of the new ________ year.
7. The report ________ careful consideration.

9 . 根据语境，选择下框中的单词替换句中划线部分的单词或短语，使之意思一致。

clarify   incredible   lower   academic   luxury   edge   merely

1. Lie-flatters are different from previous generations, who didn’t have the pleasure or advantage to “ lie flat”.
2. In my opinion, your plan is just a castle in the air.
3. The “double reduction” policy has lessened students’ schoolwork burden and peer pressure.
4. The Internet could help reduce costs and raise productivity in all walks of life.
5. Question-and-answer periods are a great way to make the message easier to understand and strengthen key points.
6. The cave opening is too narrow, so we have to advance slowly through it.
7. Battle of the Changjin Reservoir is an extremely good film from the beginning to the end.