What is Hawthorne’s attitude towards science?
A. He firmly believes in it.
B. He displays quite a negative attitude towards it.
C. His attitude toward science is ambiguous.
D. He neither believes it nor doubts it.
查看答案
What is the genre of this story?
A. Picaresque.
B. Dark Romanticism.
C. Bildungsroman.
Dystopia.
减速起动机和常规起动机的主要区别在于( )不同。
A. 直流电动机
B. 电磁开关
C. 传动机构
在发动机起动后,驱动齿轮应自动打滑,以免发动机带动起动机电枢高速旋转,造成“飞散”事故。
A. 对
B. 错
检查起动机单向离合器和驱动齿轮组合时,发现驱动齿轮有一个方向打滑,说明该单向离合器存在故障,应更换
A. 对
B. 错