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问题 单项选择题 A1/A2型题

在闭合性喉外伤的基础上如出现颈部皮下气肿，则提示（）。

A.甲状软骨骨折

B.喉粘膜损伤

C.声带断裂

D.伤口已转为开放性

E.环杓关节脱位

答案

参考答案：B

填空题

看图填空，一空一词。

1. What can you see in the picture?

    We can see that a school ______ ______ a skating Marathon.

2. How many people are there in the picture? And who are they?

    There are seven. Five are students and the ______ of them are ______.

3. What are the they doing?

    A man and a woman are ______ Alison, most students are skating and two of them

    are ______ on the ground.

4. What is Alison doing?

    He is ______ the woman's ______.

5. When did Alison started skating?

    He started skating ______ hours ______.

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单项选择题

牵引电动机抱轴瓦应使用（）。

A、18号双曲线齿轮油

B、SY1316-66HZ-13压缩机油

C、GB440-77HH-20航空机油

D、SY1403-77钙钠基润滑油
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