下列哪种X线征象是食管静脉曲张与食管癌的鉴别要点（） A.串珠_爱下问搜题

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问题单项选择题

下列哪种X线征象是食管静脉曲张与食管癌的鉴别要点（）

A.串珠状充盈缺损

B.管腔边缘凹凸不平

C.蠕动减弱，钡剂通过缓慢

D.纵行黏膜皱襞消失

E.管腔扩张及舒缩性存在

答案

参考答案：E

阅读理解

The following are four kinds of medicine at home. We should know how to use them. Never make any mistakes.

I Take the medicine with water. One or two pills every eight hours. Don’t take more than six pills in 24 hours. For children under six, go to ask the doctor.	II Three times a day and one pill a time. One pill before breakfast, one before 11:00 and one before sleep. Not for children under six and persons with stomachache.
III The medicine is for a person with a toothache. Two pills a time a day before sleep for adults (成人). Half for children under 12.	IV Take the medicine four times a day. Four pills a time for adults with a cold. Half the pills for children under 10. Take the medicine before three meals and before sleep.

小题1: We shouldn’t take more than __________ pills of Medicine I a day.
A. 2                            B. 6                    C. 8
小题2:Children under six shouldn’t take ___________.
A. Medicine II                 B. Medicine III            C. Medicine IV
小题3:Medicine III is for people with ___________.
A. a toothache              B. a cold              C. a stomachache
小题4:If Lisa is ________ years old, she should take 8 pills of medicine IV a day.
A. 11                      B. 20               C. 9
小题5: Which of the following is TRUE?
A. Three kinds of the medicine should be taken 3 times a day.
B. Three kinds of the medicine should be taken before sleep.
C. Three kinds of the medicine should be taken 1 pill a time.

判断题

装饰抹灰砂浆是直接涂抹于建筑物内外表面，通过各种骨料及特殊加工处理达到装饰效果的砂浆。( )