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问题 单项选择题

超声心动图检查时，划分次大面积肺血栓栓塞症的依据是（）

A.肺动脉扩张

B.右心室局部运动幅度降低

C.室间隔左移和运动异常

D.三尖瓣返流

E.右心室和右心房扩大

答案

参考答案：B

写作题

假如你是Mary，你也看过CCTV-2 “Good Cook”，学会了cheese sandwich的制作方法。请你给Amanda回信，并向他介绍cheese sandwich的做法。

写作要求：

1. 制作材料：some butter, two pieces of bread, a tomato, an onion some cheese, some lettuce

2. 结合所学知识和生活实践，介绍做法，至少包含5个步骤。

3. 条理清晰，语句通顺，80词左右。信的开头和结尾已给出，不计入总词数。

Dear Amanda,

Thanks for you letter. I have tried the recipe you told me. I like it so much. I learned to make a cheese sandwich from CCTV-2 not long ago. I would like you to try it. Let me tell you how.

Before starting, we should have ________________________________________________

________________________________________________________________________________

I have tried it. It’s easy. Tomorrow is Saturday, so you can try it at home by yourself.

Have a nice weekend!

Yours’

Mary

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单项选择题

下列关于门式钢管脚手架扫地杆的构造说法正确的是（）

A.纵向扫地杆应固定在距门架立杆底端不大于200mm处的门架立杆上，横向扫地杆宜固定在紧靠纵向扫地杆下方的门架立杆上

B.纵向扫地杆应固定在距门架立杆底端不大于300mm处的门架立杆上，横向扫地杆宜固定在紧靠纵向扫地杆下方的门架立杆上

C.纵向扫地杆应固定在距门架立杆底端不大于300mm处的门架立杆上，横向扫地杆宜固定在紧靠纵向扫地杆上方的门架立杆上

D.纵向扫地杆应固定在距门架立杆底端不大于200mm处的门架立杆上，横向扫地杆宜固定在紧靠纵向扫地杆上方的门架立杆上
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