[单选题]Science is still ______ of the causes of many kinds of cancer.

正确答案 ：A

ignorant

解析：解析：ignorant可以指“无学识的，愚昧的”，还指“不知道的”；unconscious意为“失去知觉的，不省人事的；无意识的”；conscious意为“有知觉的，意识到的”；informed意为“获悉，告知”。

[单选题]Beijing's top hotels are fielding scores of calls from foreigners and Chinese people eager to book rooms during the 2008 Olympic Games in the Chinese capital. The luxurious and recently-renovated Beijing Hotel said it had received nearly 100 telephone inquiries from people wanting to book rooms during the Games since Beijing won its bid to host the event. "Out of these people, foreigners make up 30 to 40 per cent, including people calling from the United States and Europe," a hotel sales manager surnamed Song said.

正确答案 ：D

The 2008 Olympic Games will be hold there.

解析：解析：本题的依据句是文章的第一个句子“Beijing's top hotels are fielding scores of calls from foreigners and Chinese people eager to book rooms during the 2008 Olympic Games in the Chinese capital.”其他个别选项尽管涉及了第一段的内容，但都是类似于举例说明的细节信息，与本题的问题没有必然的因果关系。

[单选题]Even if it ______ this afternoon, I will go there.

正确答案 ：C

rains

解析：解析：主句如果是一般将来时，状语从句一般用一般现在时。

[单选题]All the firemen in the city were ______to fight against the big fire.

正确答案 ：C

called up

解析：解析：called in意为“回收”；called off意为“取消”；called up 意为“召集，打电话，使人想起”；called on意为“访问(某人)”。

[单选题]Medicine Directions

正确答案 ：G

six tablets a day

解析：解析：本题的依据句为“Do not exceed six tablets in twenty-four hours”，意思为“24小时之内(一天)不能超过6片药”，与C选项意思相符。其他选项在文章中没有出处。

[单选题]In the last sentence, the word "bust" most probably means ______.

正确答案 ：A

the upper part of one's body

解析：解析：应该正确理解出现本词汇的最后一个句子“A few even accepted commissions to make busts of prominent citizens.”B选项的意思为“自画像”，和C以及D的意思与句子的语境意义不符。本句话的意思为“一部分木雕师甚至接受任务给名人做上半身塑像”。

[单选题]Wendy: Have you been to the new bakery on the corner? Arthur: No, how is it? Wendy: It is heaven ! ______ !

正确答案 ：C

Their cakes are to die for

解析：解析：从对话语境和供选答案看，Wendy是想说“那里的蛋糕好吃得不得了”。符合习惯的表达只能是Their cakes are to die for!(to die for something = to be eager to have something)。

[单选题]According to the second paragraph, the 50 to 60 booking phone calls are from those who ______.

正确答案 ：C

believed that Beijing would be the winner

解析：解析：本题的依据句是“...，the hotel had already received 50 to 60 such phone calls from would-be game-goers gambling on the result.” gambling on the result在这里的意思是“算定了北京会赢”，所以他们提前预定宾馆房间。其他选项内容属于错误信息或无关信息。

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