Dogs have a very good ___________ of smell and are often used to search for survivors in an earthquake.
| A．sense | B．view | C．means | D．idea |
12.Property insurance helps you to ______ against natural disasters, in front of which humans appear too small.
| A．prevent | B．defend | C．protect | D．shelter |
11.You really shouldn’t have _____ to his comment on your work so violently. ______ he meant no harm to you.
| A．reacted; After all | B．responded; At all |
| C．acted; After all | D．done; In all |
10.People, with the young ________, love to surf the Internet for entertainment.
| A．in general | B．in detail | C．in particular | D．in brief |
9.With gas, water and electricity ______, the village is suffering a humanity disaster.
| A．cut down | B．cut up | C．cut in | D．cut off |
8.About 80 percent of the students in our school_____ been working on the program and about two-thirds of the work _____been finished.
| A．have; has | B．has; have, | C．have; have | D．has; has |