CRH2动车组的拖车和动车转向架的()
A. 一系和二系悬挂系统都不同
B. 一系悬挂相同,二系悬挂不同
C. 一系和二系悬挂系统都相同
D. 一系悬挂不同,二系悬挂相同
在实际工程中并不存在刚体这种理想力学模型体,所以将物体抽象为刚体研究没有意义()
Choose the formal word from the four choices provided to complete the following sentence.______ attempts have been made to hide the truth()
A. Numerous
B. Many
C. Lots of
D. A lot of
By “one of the most disgraceful episodes of critical stupidity” Annette T. Rubinstein means that Herman Melville as a writer was all but_____()
A. misunderstood
B. overestimated
C. ignored
D. misjudged