下面算式中，积是5的是[ ] A．2+3=5 B．5×5=25 C．1×5=5

女，26岁，停经3月， * * 淋漓流血2个月， * * 前壁有直径约2cm紫蓝色结节，宫体如孕4月大小，质软，尿HCG（+）。诊断应考虑为（）

A.葡萄胎

B.侵蚀性葡萄胎

C.先兆流产

D.宫内妊娠

E.妊娠合并子宫肌瘤

如图所示，电路中能正确测出通过灯L₂的电流的是：    [ ]

A.

B.

C.

D.

提示有苯吸收的尿酚含量水平是（）

A.>15mg/L

B.>10mg/L

C.<8mg/L

D.>6mg/L

E.>5mg/L

生产车间进口，必需设有工作靴鞋消毒池。

M: Can you recommend something that a school boy of 7 or 8 will really like
W: I’d suggest this toy train, sir. It’s an excellent brand. Very popular all over the world these days.
Q: What is the man doing().

A. Shopping with his son.

B. Buying a gift for a child.

C. Promoting a new product.

D. Bargaining with a salesgirl.