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问题 多项选择题

必须停放在固定的线路上，两端道岔应扳向不能进入该线的位臵并加锁列车车辆是（）。

A.装载爆炸品的车辆

B.装载气体类危险货物的车辆

C.救援列车

D.空客车体

答案

参考答案：A, B, C

完形填空

阅读下面的短文，在标有序号的空白处填入一个适当的词或用括号中词的适当形式填空。

The skin is  小题1:    essential part of your body and its largest organ. You have three

 l 小题2:   of skin which act as a barrier　小题3:　disease , poisons and the sun’s harmful rays. The functions of your skin are also very 小题4:　: it keeps you warm or cool; it小题5:　your body from losing too much water; it is __小题6:__ you feel cold , heat or pain and it gives you your 小题7:　of touch. So as you can imagine, if your skin gets _小题8:__  it can be very serious. First aid is a very important 小题9:　step in the treatment of burns . You can get burned by a variety of things. There are three types of burns, 小题10: (depend) on which layers of the skin are burned.

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单项选择题 共用题干题

患者，女，30岁，G1P1，因"停经6周， * * 少量流血伴腹痛2小时"来诊。平素月经规律。妇科检查：子宫稍增大，质软，输卵管稍大并有压痛，宫颈举痛（+）。

目前最可能的诊断是（）。

A.卵巢巧克力囊肿

B.卵巢黄素化囊肿

C.黏膜下子宫肌瘤

D.妊娠黄体

E.宫外妊娠
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