1 . 词性转换
1. capacity (n.)                 ___________ (adj.)
2. talent (n.)                    ___________ (adj.)
3. install (v.)                    ___________ (adj.)
4. reproducible (adj.)        ___________ (v.)
5. largely (adv.)               ___________ (adj.)
6. reduction (n.)               ___________ (v.)
7. collaborate (v.)             ___________ (n.)
8. commercial (adj.)          ___________ (n.)
9. reflect (v.)                    ___________ (n.)
10. leading (adj.)               ___________ (v.)

2 . 选词填空 (用所选单词正确形式填空)

calculate	reproduce	endeavour	transmit	persistent	undergo
consume	acquaintance	collaborate	frequent	substitute	deficient

1. The government has worked in close ________ with teachers on the new curriculum.
2. Health-conscious ________ want more information about the food they buy.
3. I think you need to ________ how much time it will take you to fulfil the assignment and you can make preparations in advance.
4. As a new youth, I promise I will ________ to do my best to work for our motherland.
5. The 55-year-old man was diagnosed with a lung cancer in 2020, and ________ immediate surgery.
6. Some of the ________ asked questions are as follows: how was the condition of the jet plane? how were the pilots, etc.
7. If we ________ a number for each letter, the message “meet me” would read 13 5 5 20 13 5.
8. Why do you ________ in blaming yourself for what have happened? Let bygones be bygones.
9. In your life time, your will meet a lot of people. A few can be your friends, while most of them will be just________.
10. The 24^th winter Olympics were ________ live by satellites to over one hundred countries in 2022.