C．regretted D．confused

　　解析：考查动词辨析。anger愤怒；pride自豪；regret遗憾，懊悔；confuse迷惑。根据句意选C。

　　答案：C

　　5．Practising Chinese kung fu can not only____________one's strength，but also develop one's character.

　　A．bring up B．take up

　　C．build up D．pull up

　　解析：句意为：练习中国功夫不仅可以增强体力，而且能够培养一个人的性格。bring up抚养，呕吐；take up从事，占据；build up增强，建立；pull up阻止，拔起。故C项符合句意。

　　答案：C

　　6．Mr Smith has made____________important discovery in the medical field during ____________past decade.

　　A．an；the B．an；a

　　C．/；the D．/；a

　　解析：discovery在题中指一项发明，为可数名词，故其前用冠词；past decade前加定冠词特指"过去的十年"。

　　答案：A

　　7．-What was it that____________the terrible accident?

　　-His driving after drinking.

　　A．referred to B．turned to

　　C．led to D．added to

　　解析：句意为：--是什么导致了这起可怕的事故？--酒后驾驶。lead to意为"导致"。refer to指的是，涉及；turn to转向；add to增加。

　　答案：C

　　8．Congratulations！It seemed that our boss was____________with your work today.

　　A．dishonest B．confused

C．satisfied D．disturbed