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【单选题】

利用中间齿轮可以改变轮系的( )

A.
速度
B.
大小
C.
转向
D.
无法改变轮系
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...

A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.

【单选题】利用一次焊接法焊接金属的特点,不正确的是()。

A.
准确性高
B.
操作简便
C.
不易损坏模型
D.
焊接无需包埋
E.
焊件不易变形

【单选题】规划文本中土地资源利用状况内容为 ( )。

A.
简述规划目的、任务、依据和规划期限
B.
简述土地资源利用现状、潜力及存在主要问题
C.
阐述规划目标、近期规划任务和土地利用方针
D.
阐述规划期各类用地调控数量、结构变化