Doctors are doing research to find out what happens physically when people______ smoking.
| A．quit | B．decline | C．prevent | D．reserve |
—According to the weather report, there is likely to be heavy rain tomorrow.
—_______, we’ll have to change the plan for the outgoing.
| A．If so | B．If not | C．Unless so | D．Unless not |
一、单选（共20小题；每小题1分，满分20分）
______ made the school proud was ______ over 90%of the students had been admitted to
key universities.
| A．What, because | B．What, that | C．That, what | D．That, because |
She heard a terrible noise,__________ made her hair stand on end.
| A．it | B．that | C．this | D．Which |
Which of the following is right?
| A．Are you belong to the UN peace-keeping force? |
| B．Which computer does this mouse belong to? |
| C．This strange vegetable is belong to the potato family. |
| D．The gold ring is belonged to her. |
All men ________ by the firefighters so far.
| A．are rescued | B．were rescued | C．have been rescued | D．had been rescued |