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【单选题】
培养结核分枝杆菌常用的培养基是A.
培养基
B.
罗氏培养基
C.
包肉培养基
D.
巧克力培养基
E.
亚碲酸钾培养基
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举一反三
【简答题】窗的主要作用是 、 和
【单选题】{ 双曲柄机构机架长度为50 mm,两连架杆长度分别为100 mm和150 mm,则连杆长度L的最小值是_______________。 }
A.
50 mm
B.
100 mm
C.
150 mm
D.
200 mm
【简答题】窗的主要作用是采光。 判断对错
【单选题】— His sudden death surprised his wife. — It was so bad. His wife was surprised ____ his death. [ ]
A.
by
B.
with
C.
at
D.
on
【单选题】When Henry arrived home after a hard day at work, his wife was slept.
A.
his wife was sleeping
B.
his wife slept
C.
his wife has slept
D.
his wife has been sleeping
【单选题】[机械设计部分][中职和高职和教师][难] 双曲柄机构机架长度为50mm,两连架杆长度分别为100mm和150mm,则连杆长度L的取值范围是 ( )
A.
50mm≤L≤150mm
B.
100mm≤L≤150mm
C.
150mm≤L≤200mm
D.
100mm≤L≤200mm
【单选题】Mr. Pontellier felt extremely frustrated because ______.
A.
his wife overslept
B.
his wife greeted late
C.
his wife was indifferent to his talk
D.
his wife showed too much interest in his talk
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