在下列哪一种情况下测定催乳激素(PRL)可协助诊断()
A.疑为子宫内膜癌
B.疑为上皮性卵巢癌
C.疑为垂体肿瘤
D.疑为乳腺癌
E.疑为输卵管癌
参考答案:C
--- Do you know whether scientists have ________a good way to deal with Influenza H7N9 or not?
---Not yet .But they’re trying their best.
A.come out of
B.come along with
C.comeupwith
D.come about
雄黄的条痕是()。
A.红色
B.白色
C.黑色
D.褐色
E.浅橘红色