（2013·新课标全国卷Ⅰ） Try not to cough more than you can ________ since it may cause problems to your lungs.
| A． check | B．allow | C．stop | D．help |
—How nice it tastes!
—In fact，this delicious cake is not difficult________.
| A．making | B．made | C．to be made | D．to make |
One of the greatest benefits of stamp－collecting is that they are based on common interests，________ appearance，age or wealth.
| A．other than | B．or rather | C．rather than | D．instead |
It is ________ he often fails in exams ________ makes his parents worried about him.
| A．what；that. | B．that；what. | C．that；that. | D．because；that. |
— Do you think that housing price will keep ________ in the years to come?
— Sorry，I have no idea.
| A．lifting up | B．going up | C．bringing up | D．growing up |
After two months’ training，the astronauts are ________to adapt to the conditions of weightlessness.
| A．accustomed | B．coming | C．realized | D．succeeding |