强制拍卖和任意拍卖都属民事行为。（）
参考答案：错
He ____ if you ____ him tomorrow. [ ]
A. will come; will invite
B. will come; invite
C. comes; will invite
D. comes; invite
下列与DNA解链无关的酶或蛋白是
A．拓扑异构酶
B．解螺旋酶
C．SSB
D．DnaC蛋白
E．DNase
