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问题 单项选择题

下列物标中，（）物标用作雷达定位较好。

A．离岸线较远的高山

B．突堤端头的灯塔

C．风暴过后的近处浮标

D．A或B

答案

参考答案：B

单项选择题 A1/A2型题

早期诊断结肠癌最有价值的检查方法是（）。

A.纤维结肠镜检查

B.大便隐血试验

C.钡剂灌肠检查

D.直肠指诊

E.CEA测定
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补全对话，情景问答
阅读下面对话，从方框中选择五个最适当的句子完成对话。
A. Hi
B. Why
C. Don't worry about it
D. do you worry about it
E. Thanks a lot
F. let's go
G. What's wrong with you

Jack: Hi, Steve!
Steve: (1) ________, Jack. How is it going?
Jack: Great! (2)_______?
Steve: I'm not feeling well.
Jack: Yeah? (3)_______?
Steve: Oh, I have an important English test tomorrow.
Jack: Well, (4)________?
Steve: Yeah, a little.
Jack: Come on. Let's go to play basketball.
Steve: Ok, (5)             .
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