____the problem of land erosion(侵蚀) getting more serious, the government is searching for a way to deal with it.
| A．As | B．When | C．With | D．If |
is widely acknowledged thatthere is life, there is hope.
| A．It, whether | B．As, whether | C．As, where | D．It, where |
–Tom seems not so enthusiastic as he was two years ago.
--Yes. He’s reached a point in his career_________ he has to decide what to do next.
| A．that | B．when | C．where | D．which |
It is necessary to explain your theory _____, otherwise the audience won't make sense of what you are trying to get across.
| A．on purpose | B．at length | C．at random | D． on average |
In the bubble years, lending standards slipped ______,allowing many people to put far too much of their income into paying for their housing.
| A．delicately | B．dynamically | C．deliberately | D．dramatically |
Life is stressful, and complaining may be considered by many as an extension of being________normal.
| A．urgently | B．absolutely | C．casually | D．clumsily |