台钻的功能和()一样。
A、手拉葫芦
B、千斤顶
C、电钻
D、齿轮
参考答案:C
患者32岁,放置节育器已2年,现停经49d,恶心、呕吐3d不能进食,尿HCG(+)。考虑带器妊娠。
为明确带器妊娠原因,哪种检查最可靠()。
A.B超
B.尿妊娠试验
C.腹部X线检查
D.探针探查宫腔
E.CT检查
Earlier on Monday, Obama's spokesman said Washington _________ Karzai as the legal leader of Afghanistan and would continue talks with him.
A concerned B commanded C rewarded D recognized