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【判断题】
由二的先序和中序遍历序列可唯一构造这一棵二。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】I am fond of music while my sister likes reading novels. It seems that we have nothing ______.
A.
in trouble
B.
in common
C.
in place
D.
in need
【单选题】My sister is fond of ______ music. [ ]
A.
listening
B.
listen
C.
to listen
D.
listening to
【简答题】如图所示，长度为l = 1m的导体棒AB在均匀磁场【图片】（磁感应强度B = 1T）中绕通过C点的与棒垂直、与磁场平行的轴【图片】转动（角速度【图片】与【图片】同方向），已知角速度的大小为10rad/s，BC的长度为AB长度的1/4，则A、B两点电势差等于 V。（说明：单位（V）已给，答案只需填入数值。答案若为小数保留到小数点后两位，如：1.23）【图片】
【单选题】I am fond of my sister but she has one serious shortcoming. She _________ be really stubborn.
A.
can
B.
may
C.
must
D.
shall
【单选题】My sister used to be fond of ____ table tennis.
A.
play
B.
played
C.
playing
D.
to play
【单选题】I'm fond of music while my sister likes reading novels. It seems that we have nothing _____. [ ]
A.
in like
B.
in common
C.
in same
D.
in similar
【简答题】在本次测试中,你使用什么工具进行操作。
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