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【单选题】
大肠杆菌T4噬菌体属于( )
A.
螺旋对称
B.
立方体对称
C.
复合对称
D.
都不是
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参考答案:
举一反三
【简答题】The Summer Mountain Resort is famous for mountains, but the real attractions lie in the lake area.
【单选题】渗出液的相对密度是
A.
高于1.015
B.
低于1.015
C.
高于1.018
D.
低于1.018
E.
在1.015~1.018
【单选题】The common opening of the alveoli is( )
A.
alveolar sac
B.
respiratory bronchiole
C.
pulmonary mesenchyme
D.
alveolar septa
E.
alveolar pore
【判断题】The Meridian Gate has five openings with the central passage reserved for the emperor alone.
A.
正确
B.
错误
【简答题】The full name of the USA is ( ).
【单选题】Which of the following is NOT true?
A.
The Americans think much about time.
B.
All Americans always have a deep love for time only.
C.
The Americans even value their spare time.
【单选题】The car’s ________ was disappointing.
A.
mark
B.
manner
C.
behaviour
D.
performance
【简答题】The Meridian Gate, also known as _____________________(Five-phoenix Tower) is the main entrance to the Imperial Palace.
【单选题】渗出液的相对密度是
A.
高于1.015
B.
低于1.015
C.
高于1.019
D.
低于1.019
E.
在1.015~1.019
【单选题】平面任意力系向其作用面内任一点简化,一般可以得到
A.
一个力
B.
一个力偶
C.
一个力和一个力偶
D.
无法确定
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