起步前,检视机械周围应无障碍物及行人,先(),用()起步,并应测试并确认制动器灵敏有效。
参考答案:鸣声示意后 低速挡
The speaker ________have criticized the paraprofessionals, knowing full well that they were seated in the audience.
A.should not to
B.must not
C.ought not to
D.may not
下图是某学校一学生在学习了“欧洲的宗教改革”一课后,在课堂笔记上写下这样的知识结构,空格处应该填写的是
A.人皆上帝
B.人皆教士
C.王权高于教权
D.教皇至上