切除了狗的某内分泌腺后,出现行动迟缓精神萎糜、食欲不振、发育停止等现象,此内分泌腺是[ ]
A.垂体
B.甲状腺
C.性腺
D.胰腺
答案:B
In the meantime, the question facing business is whether such research is the cost.
A.worth
B.worth of
C.worthy
D.worthwhile
下跌抵抗出现在()中,由若干根K线组成,阴线()阳线。
A.上升;多于
B.上升;少于
C.下跌;多于
D.下跌;少于