1 . 选择正确的短语填空。

as if        a number of        lose heart        turn to        think highly of in return        as well        be/get familiar with        in a way        die out

1. They are not ______ charity work, which is still at an early stage in China.
2. No one has come up with a convincing explanation of why dinosaurs ______.
3. ______, I’m a little surprised when she accepted the offer to work in such a badly managed company.
4. Often life is much slower outside the big cities, as is true in other countries ______.
5. I still remember my first trip to the Taishan Mountain ______ it were yesterday
6. As China develops fast and steadily, ______ foreigners are learning Chinese as a second language.
7. We ______ their research in this field.
8. ______, the Czar sent him a troop of his best soldiers.
9. At last, I will be on my own, but I still want to have my parents to ______ whenever I need help.
10. She said that we shouldn’t ______ in times of difficulties and that we should be hopeful.