疑是早期原发性肝癌，应首选哪一种检查方法较为可靠（）。 A.放

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问题单项选择题

疑是早期原发性肝癌，应首选哪一种检查方法较为可靠（）。

A.放射性同位素肝扫描

B.血清甲胎蛋白动态观察

C.血清酶学检查

D.X线腹部平片

E.CEA动态观察

答案

参考答案：B

补全对话，情景问答

补全对话

Peter:Hi, Sally. Come and have a look at my photos.

Sally:Are these the photos you took in Africa, Peter?

Peter: 1 Look, this is a wildebeest. It's an animal in Africa.

Sally: 2

Peter:No, it doesn't. It only eats grass.

Sally:Are there a lot of animals in Africa?

Peter: 3

Sally:Oh, this photo looks interesting. What are you doing there?

Peter: 4

Sally:Did you have a good time there?

Peter:Ofcourse. 5

多项选择题

罗茨风机进口气体温度不大于（）℃；轴承温度最高不超过（）℃；润滑油温度最高不超过（）℃。

A.65

B.40

C.95

D.80