_____ is known to us all is that the old scientist, for _____ life was hard in the past, still works very hard in his eighties.
| A．As; whom | B．What; whom | C．It; whose | D．As; whose |
13.He is not ______ to be the kind of man who could have done such a rude thing to a lady. You must have been mistaken.
| A．likely | B．possible | C．probable | D．maybe |
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 |