4 . 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.

6 . An all-round education aims at providing students with a platform where they can display both a________achievements as well as moral disciplines(根据首字母单词拼写)

7 . 选词填空

defeat, botanical, most, science, apparently, academic, obtain, objective, distinct, acknowledge, conclude, passion

1. The students return in September for the start of the new ______ year.
2. You should set goals or ______ that can be reached.
3. They took a very ______ approach to management.
4. Oil prices fell this week to their lowest level in fourteen months, ______ because of over-production.
5. Several new ______ species have been discovered in the last year.
6. Her own twelve pictures sold fairly well, ______ to friends and family.
7. The leaning needs of he two groups are quite ______ from each other.
8. In the second experiment they ______ a very clear result.
9. He is widely ______ as the best player in the world.
10. In the war, they narrowly avoided ______ by the enemy.