题目内容
The most obvious reason why computer-based testing is becoming increasingly popular is that it makes tests easier ______.
| A．take | B．taking | C．to take | D．taken |
C
解析试题分析：考察不定式用法。当不定式前面的形容词是对名词的性质进行说明的形容词的时候，使用不定式的主动形式来修饰名词，这样的形容词有easy, hard, difficult等。如The question is easy to answer。句意：为什么以电脑为基础的监测越来越受到欢迎的原因是他让测试更容易。故C正确。
考点：考察不定式用法
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| A．concentrating | B．concentrated | C．to concentrate | D．concentrates |
____ by high mountains, the city is infamous for air pollution.
| A．Surrounding | B．To be surrounded |
| C．Surrounded | D．Having surrounded |
______ the danger ahead on the railway line, he decided to go to Beijing by plane instead.
| A．Having been informed of | B．Having informed of |
| C．To be informed of | D．Informing of |
She admitted _______ trouble ________ her studies and playing basketball.
| A．to have ; balancing | B．having ; to balance |
| C．to have ; to balance | D．having ; balancing |
There is ____ Mr. Smith at the door who wants to speak to you.
| A．a some | B．certain | C．some a | D．a certain |
Now I regret ______ those weight-loss pills.
| A．took | B．taking | C．taken | D．to take |
The presents ______ on my birthday moved me a lot.
| A．received | B．were received | C．receiving | D．to receive |