《拆迁条例》规定，拆除代管房屋，可以不经过公正机关办理公正。
参考答案：错
解析：《拆迁条例》规定，拆除代管房屋，必须经过公证机关办理公证。
—How are you getting on with your final exam, Susan? Do you need any help?
— ______, but I think I am all right.
A．No problem
B．That’s OK
C．You’re helpful
D．That’s very kind of you
﹣a﹣（﹣2a）的计算结果是 [ ]
A．3a
B．﹣3a
C．a
D．﹣a
