题目内容
— Why does the boy keep crying?
— It is ______ he has lost his favorite car model.
| A．since | B．so | C．when | D．because |
D
解析试题分析：考查连词：A. since自从，B. so所以，C. when当,…时候，D. because因为，句意：为什么这些男孩一直在哭？--是因为他失去了最喜欢的汽车模型。Because引导表语从句，回答why的问题。选D。
考点：考查连词
___ great the demand to succeed, one should never abandon his moral and social consciousness.
| A．Now that | B．As if | C．Although | D．However |
The entire hall burst into a great cheer and applause _______ the Nobel Prize winner appeared on the stage accompanied by the chairman.
| A．until | B．while | C．by the time | D．the moment |
It’s much easier to make friends____ you have similar interests.
| A．unless | B． when | C．even though | D．so that |
___ has already been pointed out is that grammar is not a set of dead rules.
| A．As | B．It | C．What | D．Which |
Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing.
| A．with which | B．with that | C．at which | D．at that |
Price continued to rise ______ pay was still low, with the result ______ the government became increasingly unpopular.
| A．when; that | B．while; which | C．when; which | D．while; that |
I think you should complain — ,of course, you are happy with the way things are.
| A．if | B．unless | C．as | D．because |