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【简答题】
The moment ________ Leo will never forget is ________ Mr. Green gave him a lot of valuable advice on how to improve his writing.
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皮皮学刷刷变学霸
举一反三
【单选题】I am busy ______ my homework these days after three day's away.
A.
do
B.
doing
C.
in doing
【单选题】After three days’ waiting, there was a little doubt in Jake’s mind______ the police could find his lost car.
A.
how
B.
that
C.
where
D.
whether
【单选题】Three days after Mrs White’s _______ necklace was found, she was _____ it.
A.
lost; robbed
B.
Missed; robbed of
C.
lost; robbed of
D.
missing; robbed
【简答题】已知点 在由不等式 确定的平面区域内，则点 所在的平面区域面积是
【单选题】某25度的水溶液,其PH值为4.5,则此溶液中的OH-浓度为:( )
A.
10-4.5mol/L
B.
104.5 mol/L
C.
10 -11.5mol/L
D.
10 -2.5mol/L
E.
10 -9.5mol/L
【单选题】患儿，4个月，男婴。采用混合喂养，腹泻2个月，大便5~6次/d，稀或糊便，无脓血，食欲表现好。面部湿疹，体重5.8kg。该患儿目前最可能的诊断是
A.
迁延性腹泻
B.
慢性腹泻
C.
感染性腹泻
D.
饮食性腹泻
E.
生理性腹泻
【简答题】已知点 在由不等式组 确定的平面区域内，则点 所在平面区域的面积是 。
【简答题】FET是 器件,BJT是 器件。
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