间脑内特异性中继核团有()
A．丘脑前核
B．丘脑中线核
C．丘脑腹后内侧核
D．视上核
E．室旁核
参考答案：C
I do every single bit of housework _______ my husband Bob just does the dishes now and then.
A．since
B．while
C．when
D．as
固定端支座一般有（）个支座反力。
A.一个
B.二个
C.三个
D.四个
