患者，男性，55岁，食管癌病人进食时呛咳，为明确诊断应首选（）

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问题单项选择题

A.胸部X线摄片

B.胸部CT检查（电子计算机体层X线扫描）

C.食管吞钡X线检查

D.食管超声波检查

E.胸部断层X线摄片

答案

参考答案：B

句型转换

同义句转换。

1. He didn't take part in the sports meeting because he was ill.

He didn't take part in the sports meeting ______ ______ his illness.

2. She said she was an artist, but actually she was a liar.

She said she was an artist, but ______ ______ ______, she was a liar.

3. He commanded that we (should) set out at once.

He commanded us ______ ______ ______ at once.

单项选择题

推动教师热爱本职工作的力量源泉是（）。

A.热爱学生

B.团结协作

C.个人发展

D.为人师表