_____ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack | C．Because of lack | D．Lack |
But for the fact that China ______ also affected by the global economic crisis, we ______ fewer unemployed workers now.
| A．is; would have | B．were; would have |
| C．was; would have had | D．were; would have had |
He appears to be optimistic, but, ______, he is quite pessimistic.
| A．in particular | B．on one hand | C．for one thing | D．as a matter of fact |
______ you may have, you should gather your courage to face the challenge.
| A．However a serious problem | B．What a serious problem |
| C．However serious a problem | D．What serious a problem |
He kept smiling secretly and we were all wondering_______that made him so happy．
| A．how it did | B．what he did | C．how it was | D．what it was |
People who don’t smoke have less _____ of suffering from lung cancer than those who do.
| A．coincidence | B．load | C．aspect | D．potential |