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【单选题】
某二又树的后序遍历序列为DABEC,中序遍历序列为DEBAC,则先序遍历序列为( )。A.
ACBED
B.
DECAB
C.
DEABC
D.
CEDBA
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举一反三
【简答题】These sentences use the target words and phrases in new contexts. Complete them with the words and phrases in the box. Change the form when necessary. remarkable fame norm dignity wisdom discipline ac...
【单选题】交流异步电动机转速调速方法不对的是 ( ) 。
A.
、 改变定子绕组的磁极对数
B.
、 改变供电电网的电压
C.
、 改变供电电网的频率
D.
、 改变电动机的转差率
【单选题】The report is a bit lengthy; ________, it says that more money should be spent on education. 这份报告有点冗长,总之,它说应该花更多的钱在教育上。
A.
because
B.
in short
C.
what
【单选题】--- How about putting some pictures into the report? --- _______. A picture is worth a thousand words.
A.
No way
B.
It couldn’t be better
C.
All right
D.
Not a bit
【单选题】The report is a bit lengthy; _______, it says that more money should be spent on education.
A.
in sense
B.
in addition
C.
in short
D.
in addition to
【简答题】列那回到了家里,与家人重逢,从此,过上了( )的生活,孩子们见到列那回来了,一个个都很( )
【简答题】The woman over there is ____ mother. A. Lily's and Lucy's B. Lily's and Lucy C. Lily and Lucy's D. Lily and Lucy 2. Did you hear the ____ report? A. policemen B. policemen's C. policemens' D. policeme...
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