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搜题
【判断题】
曳引机是电梯的主要升降机构,可分为有齿轮和无齿轮曳引机两种 。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It is implied in Paragraph 3 that graduates should______.
A.
aim to give a balanced account of what the employer needs
B.
consider careers which suit their values, interests and abilities
C.
recognize their own abilities regardless of what the employer looks for
D.
stress their personal attitudes and values in job applications
【简答题】向量 在向量 上的投影为