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【简答题】
地骨皮除退虚热外，还能_______________、_______________。
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【简答题】Mrs. Green is going to give a birthday party for her daughter Jenny. Jenny is going to be twelve years old. A lot of Jenny’s friends are going to come to the party. Mrs. Green is getting readay for t...
【单选题】Mrs. Green always helps her mother even though going to work _________most of her day.
A.
takes out
B.
takes down
C.
takes up
D.
takes off
【简答题】一组数据前3个数的平均数是8，中间4个数的平均数是6，后5个数的平均数是6，则这组数据的平均数是______．
【单选题】Mrs. White as well as her twins ______ the dancing club. [ ]
A.
is going to, join
B.
is going to, join in
C.
are going to, join
D.
are going to, join in
【简答题】若一组数据 的平均数为4，则数据 ， ， ， 的平均数是 ▲ ．
【简答题】一组数据前3个数的平均数是8，中间4个数的平均数是6，后5个数的平均数是6，则这组数据的平均数是（ ）。
【单选题】一组数据中每个数据都减去80构成一组新数据，这组新数据的平均数是1.2，方差是4.4，则原来这组数的平均数和方差分别是（ ）
A.
81.2，，84.4
B.
78.8，，4.4
C.
81.2，，4.4
D.
78.8，，75.6
【单选题】He told you Mrs. Smith wasn't going to the meeting, _____?
A.
was she
B.
did he
C.
wasn't she
D.
didn't he
【简答题】根据对话内容，补全对话，每空一词。 Mr. Shaw: Good afternoon. What can I do for you? Mrs. Clark: I'd like to 1 a washing machine. Mr. Shaw: This is the newest washing machine. Mrs. Clark: Is it 2 in Sweden? Mr. Shaw: N...
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