题目内容

幕墙防雷构造要求正确的是()。

A. 每根铝合金立柱上柱与下柱连接处都应进行防雷连通
B. 铝合金立柱上柱与下柱连接处在不大于10m范围内，宜有一根立柱进行防雷连通
C. 有镀膜层的铝型材，在进行防雷连接处，不得除去其镀膜层
D. 幕墙的金属框架不应与主体结构的防雷体系连接

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人脑对过去感知过的事物的形象的反映是 ()

A. 表象
B. 想像
C. 后像
D. 印象

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Section B
Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.
(6)

A. $3.50.
B. $1.50.
C. $5.00.
D. $2.50.

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男，34岁，发热1周伴胸痛，用硝酸甘油无效，体检：心音低沉，有舒张期附加音，血压110／80mrnHg(14.7／lO.7kPa)，肘部静脉压180mmH20，心电图：ST段抬高，弓背向下，未见病理性Q波，诊断可能为

A. 急性心肌梗死
B. 缩窄性心包炎
C. 变异性心绞痛
D. 稳定型心绞痛
E. 急性渗出性心包炎

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A．He has never seen a fossil that old.B．It is probably a recent specimen.C．It could be

A. He has never seen a fossil that old.
B. It is probably a recent specimen.
C. It could be many millions of years old.
D. He will ask the lab how old it is.

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