一名产妇在行剖宫产时应用下列哪种药物可能出现“婴儿松软综合征”（） A.丁卡因 B.

综合填空。

     Hello! Come and buy your clothes at Fangfang's great s __1__! Do you like skirts? We have skirts at a

  very good p __2__ . only ￥5. Do you w __3__  to buy bags? We also have great bags for only ￥10! 

 You can b __4__  sweaters in red, green, and white for only ￥28! We also have sports socks for only 

 ￥5 each! What other things do you n __5__? Come and see for yourself.

什么为实际定员？

若定义int k＝7,x＝12;,则能使值为3的表达式是

A．x%＝(k%＝5)

B．x%＝(k－k%5)

C．x%＝k－k%5

D．(x%＝－(k%＝5)

潜伏性感染与病原携带状态有一共同点，即一般都能排出病原体。

一套机械密封至少有（）个密封点。

A．1

B．2

C．3

D．4