29. You’ll have to wait for one more week, ___________ the manager will be back from his trip. A. before B. when C. as D. until ...

25. You are supposed to _______ in your composition yesterday. A. hand B. have handed C. be handing D. handing ...

21. -- Miss Eldon, please look again for those orders from the Diamond Store.-- They’re not with the other orders, sir. They ___________ be there, but they’re not. A. may B. should C. will D. ought to ...

17. -- Hello. Is Doctor Smith in? -- Yes. But I’m sorry. He’s lying ill in bed, ___________ move about. A. is not able to B. being unable to C. being not able to D. unable to ...

13. Agriculture was a step in human progress which subsequently there was not anything comparable until our own machine age. A. to B. in C. for D. from ...

9. -Does Bill do his new job well?　　- ________ his old jo## I’m afraid there’s no hope for him. A. Not better than B. No better than C. Not so well as D. Not as well as ...

5. The Chang’e I lesson is that national goals can be met there is a strong enough will to do so. A. where B. though C. before D. until ...

1. “He gave me ________ $100!” he said with satisfaction. A. no less than B. no more than C. something like D. only ...

15. 物体的总辐射功率与以下那几项成正比关系＿＿＿。 A. 反射率； B. 发射率； C. 物体温度一次方； D. 物体温度二次方； E. 物体温度三次方； F. 物体温度四次方。 ...

10. 图像融合前必须先进行＿＿＿。 A. 图像配准； B. 图像增强； C. 图像分类。 ...