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问题 单项选择题

关于梅毒下疳的描述，错误的是（）

A.为圆形或椭圆形，境界清楚的溃疡

B.触疹有软骨样硬度

C.损害常为多发

D.无疼痛与压痛

E.不经治疗3-8周自然消失

答案

参考答案：C

完形填空
短文填空：
用下列所给词的适当形式填空，使短文完整正确。
health ,  help,  much ,  time,  run,  relax,  away,  keep，become,  active
   Do you like running? Running is __小题1:__one of the most popular activities these days. Many of us run for our___小题2:___. Doctors say many of the health problems come from such bad habits as eating too ___小题3:___,drinking too much, smoking, staying up late and not having enough exercise. Doctors tell us, “Eat less, don’t smoke, have enough sleep and exercise more.” Running is good exercise because it __小题4:___build a strong body. It also helps many people lose weight. One 25-year-old woman teacher runs for half an hour in the morning five ___小题5:__ a week. She runs to lose weight. “I feel comfortable and I’m not fat any more,” she says.
Running is good for health in other ways ,too. Many __小题6:__ say running makes some small health problems go _小题7:___. “Running is my doctor,” says one man.
Running can also help people to __小题8:__. “After school, I like to run for ten minutes. Then I feel _小题9:__ and energetic,” says Yang Li, a middle school student. So today men and women of all ages enjoy running.
Do you want to __小题10:__fit? Come on! Let’s join in the running!
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选择题

— May I smoke here, Smith?    

— If you _______, choose a seat in the smoking section.  [ ]

A. should    

B. could        

C. must        

D. may
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