患者，女，1岁。发热伴咳嗽3天，口周稍发绀。用鼻前庭导管吸氧，

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问题单项选择题

患者，女，1岁。发热伴咳嗽3天，口周稍发绀。用鼻前庭导管吸氧，氧流量应为（）。

A.0.5～1L/min

B.1.5～2L/min

C.2.5～3L/min

D.3.5～4L/min

E.4.5～5L/min

答案

参考答案：A

阅读理解

阅读理解。选择正确的答案。

Hello, my name is Betty. On Saturday, I have dinner with my parents in a restaurant. Each of us likes

different food. I have chicken and potatoes. My mother likes fish and tofu. My father has mutton and cabbage.

1. What's the girl's name?

A. Mary.

B. Amy.

C. Betty.

2. Where do they have dinner on Saturday?

A. At school.

B. In a restaurant.

C. At home.

3. What does the girl have?

A. Chicken and potatoes.

B. Fish and tofu.

C. Chicken and tofu.

4. What does her mother like?

A. Mutton and cabbage.

B. Fish and tofu.

C. Chicken and potatoes.

5. Who has mutton and cabbage?

A. Betty's mother.

B. Betty's father.

C. Betty.

单项选择题

若开标后中标人发现自己的报价存在严重的误算和漏算，因而拒绝与业主签订施工合同，这一对策为（）。

A．风险回避

B．损失控制

C．风险自留

D．风险转移