根据现行宪法,中央军事委员会人员组成不.包括()
A. * *
B.副 * * 若干人
C.秘书长
D.委员若干人
参考答案:C
_______ you met the foreigner from Canada?
[ ]
A. Where it was that
B. Who it was that
C. Where was it that
D. Where was that
以点定位限制一个物体在水平面上的移动和转动,至少需要()个定位点。
A、4
B、3
C、2
D、1