1 . 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。

elegant        present        suspect        tremendous       engage        qualification          characteristic

1. In his speech, he mentioned Pearls Buck, to whose works Chinese farmers are a typical feature.
2. You must show your passport to the customs officers.
3. Actively involve yourself in voluntary work and you will see what a difference it will make to your future life.
4. Studying abroad can cost enormous amounts of money.
5. The police doubted that he had a part in the jewel robbery.
6. She has the competence for teaching English.
7. The seafood restaurant with precise French service will have extra space in its graceful dinning room because of social-distancing rules.

2 . 女孩使出了全身力气去推石头。
The girl pushed the stone ______.

3 . But many middle-class ________ (occupy)—trucking, financial advice, software engineering—have aroused their interest, or soon will. （所给词的适当形式填空）

4 . ________ ________ ________ (在……基础上) of data transmitted by satellites, scientists have made several ________ (分析) of Qinghai-Tibet Plateau. (根据汉语提示完成句子)

5 . I will never leave a fallen comrade to fall into the hands of the enemy and under no c_______ will I ever embarrass my country. (根据首字母单词拼写)