1．已知集合A={1,2,3,4},B={y|y=,xA},则AB=(　　 )

A. {1,2,3,4}　　 　 B. {1,2}　　 　　　　 C. {1,3}　　 　　　 D. {2,4}

第二节：书面表达(共1题；满分25分)

请根据下表中的内容写一篇短文。

注意：

1．所写短文应包括所有要点；

2．开头已给出，不可逐字翻译。

Yang Zhenning, a Chinese American physicist, was born…

第一节：完成句子(共10小题；每小题1.5分，满分15分)

根据括号内的汉语提示，用句末括号里的英语单词的正确形式完成句子。

73.With _______________________ her face(失望的表情), she left the office silently. (expression)

74.Last night, John was answering the letters that _________________ (寄给他的) during the past two months.(arrive)

75.________________________ (你去北方越远), the more severe the winters are.(go, far)

76.Now you can see we have come to the point ___________________(急切需要改变).(change)

77.It is possible that the king of Stonehenge was linked to the stones: he ______________________ (可能参与) in planning the monument , or in helping transport and pull up the stones. (hand)

78.No one in the office but Tom and I ________________________ (知道这个秘密).(know)

79.We must take measures to protect endangered wildlife ________________________(趁还不算太晚).(late)

80.________________(负担)such a big family , the young man looks older than his age.(burden)

81.Facing the challenge, the student desired to hold back, thus ___________________________(辜负了)his parents’ expectations.(live)

82.Our total income of 2009 was ___________________(三倍)in 2000.(what)

30.After boarding the plane, I found my seat _____ by a police officer, wondering whether I got the wrong flight.

A. occupied　　　　　　　 B. conquered　　　　　　　 C. possessed 　　　　　 D. owned