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问题 单项选择题

如病人出现上腹部腹膜刺激征、移动性浊音阳性，此时，最有意义的检查为

A．血常规

B．腹腔穿刺查腹穿液性状及淀粉酶数值

C．血淀粉酶

D．尿淀粉酶

E．腹腔B超

答案

参考答案：B

改错题

根据所给的首写字母和上下文进行课文内容填空

Daisy had always l小题1:to help endangered species of wildlife. One day, she was taken to a d小题2:land where he met an antelope. When she heard w小题3: the animal told her, she b小题4: into tears. Then she wanted to go to a place where there was some wildlife protection. This time, she saw an elephant. At last, she came to a thick rainforest. Daisy was a小题5: to see a monkey rubbing itself with a millipede insect. The monkey said: “It c小题6:a powerful drug which a小题7:mosquitoes. You should pay more a小题8: to the rainforest where I live and a小题9: how the animals live together. No rainforest, no animals, no d 小题10:.”
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单项选择题

门禁系统读卡机与闸门机安装的中心间距一般为（）m。

A.2.0-2.4

B.2.4-2.8

C.2.8-3.2

D.3.2-3.6
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