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【单选题】
某医师用甲乙两种疗法，治疗小儿单纯性消化不良，结果见下表。问两种疗法的治愈率差别有无显著性。 某医师治疗小儿单纯性消化不良疗法比较表 疗法 痊愈数 未愈数 合计 甲 26 7 33 乙 36 2 38 合计 62 9 71 应选择的指标是A.
率
B.
构成比
C.
等级指标
D.
定性指标
E.
定量指标
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【单选题】Joe Jones, the eldest of the eight children, had to ________ out of high school at the age of 16 to help his father on the farm.
A.
leave
B.
drop
C.
fall
D.
go
【简答题】Mr. Jones woke early one morning， before the sun had risen. It was a beautiful morning， _31_ he went to the window and looked out. He was _32_ to see a neatly-dressed and mid-aged professor， who _33_ ...
【单选题】We students are so busy with our homework that we have no time for outdoor exercise, ______ we have the desire.
A.
wherever
B.
whenever
C.
even if
D.
as if
【简答题】We are not _f______ ，but very busy now．
【简答题】供食用的新鲜的猪五花肉(猪腹部的肉),不带骨头
【单选题】We______ you more help then, but we were so busy at that time.
A.
ought to have given
B.
musthave given
C.
might havegiven
D.
need have given
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