4. Young managers should know their limitations and ask for advice and assistance. A. 错误 B. 正确 ...

19. Severely crippled in the road accident, he suffered from a terrible consequence: he could no longer stand _________ on the soft sand. A. aided B. unaided C. aid D. aiding ...

11. The citizens held a special ________ in honor of the father and the government promised to pay for the rest of the son's schooling. A. destruction B. celebration C. construction D. instruction ...

5. That was a difficult question, but Mary still ________ to work it out. A. did B. failed C. kept D. managed ...

9. At the conference they brought up many problems, such as soaring housing prices and the homeless, which aroused great attention from the delegates present. A. 错误 B. 正确 ...

4. We have so many tasks which need to do in all phases of medicine, public health and industry. A. 错误 B. 正确 ...

18. How can he ________ if he is not ________? A. listen; hearing B. hear; listening C. be listening; heard D. be hearing; listened to ...

13. I invited Joe and Linda to dinner, but _________ of them came. A. neither B. either C. none D. both ...

7. Their efforts to improve the production have been very _________, and they have been praised by the company for their contribution. A. effective B. efficient C. effect D. affective ...

2. I didn’t buy the apples; she gave them to me ________ nothing. A. with B. as C. for D. by ...