12．Researchers haven't how bird flu spreads from human to human worldwide．( )A．figured outB．tur——青夏教育精英家教网——

12．Researchers haven't______how bird flu spreads from human to human worldwide．（　　）

11．Although he is considered a great writer，______．（　　）

	A．	but his works are not widely read
	B．	his works are not widely read
	C．	however，his works are not widely read
	D．	while his works are not widely read

10．--Professor Gao，excuse me for interrupting you，but I've got some questions to ask you．
--______，please．（　　）

9．假定你是大学一年级新生李华．开学之初，你的英语老师Ms Li希望你了解每们同学的英语学习情况，并征求教学建议．请按以下要点用英语给她写一封信．
要点：1．对英语学习的认识；
2．自己目前的英语水平；
3．自己在英语学习中存在的主要问题；
4．对英语教学的两点建议．
注意：1．词数100左右；
2．可以适当增加细节，以使行文连贯；
3．信的开头和结尾已给出（不计入总词数）．
Dear Mr．Li，
I'm very happy to have you as our English teacher．

Thank you!
Yours truly，
Li Hua．

8．被限制在be limited to．

7．陷入；被卡住be/get stuck in．

6．They say the first step to recovery isto admit（admit） you have a problem．

5．Parents werefrightened（frighten） to bring their children for vaccination．

4．I don't feelenergetic（energy） enough to rush about，so I'll sit down．

3．carry on经营；＜非正＞继续进行；争吵；吵闹；．

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