5.　　　 你知道癌症和吸烟有关吗？　 ( be linked to )

4.　　　 我们的英语老师提出建议要我们多说，多读。　 (put forward )

3.　　　 With this extra evidence John Snow was able to announce with certainty that polluted water carried the disease.　

2.　　　 He knew it would never be controlled until its cause was found.

1.　　　 Many thousands of terrified people died every time there was an outbreak.

25.　 Why! I have nothing to confess._______ you want to say?

A. What is it that　　　 B. What it is that　　 C. How is it that　 D. How it is that

24.　 ----There’s coffee and tea; you can have __________-.----Thanks !

A. either　　 B. each　　　 C. one　　 D. it

23.　 When I opened the door , I found my father sitting in his chair, completely ________ a magazine.　

　A. absorbing in　　　 B. absorbed in　　 C.absorbing to　　 D. absorbed to

22.　 All of the students were _________ by the _________ speech given by the headmaster.

A.　　 inspired;inspired B.inspiring;inspiring　 C. inspired; inspiring　 D.inspiring;inspired

21.　 The detective , _______to read a newspaper, glanced at the man _____ next to a woman.

A. pretending;seat　 B. pretending; seated　　 C. pretended; seat　 D. pretended; seated