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搜题
【单选题】
已知 、 、 、 为作用于刚体上的平面共点,其力矢关系如图所示,为平
A.
,由此可得( )。
B.
系可以合成为一个力偶
C.
系可以合成为一个力
D.
系可以简化为一个一个力偶
E.
系的合力为零,平衡
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【判断题】To achieve clarity in practical writing, writers should keep sentences long and write in passive voice.()
A.
正确
B.
错误
【简答题】This part is to test your ability in practical writing. Now you are required to write A Letter of Gratitude expressing your thanks for your friend 's kindness. Your writing should contain 100 to 120 w...
【单选题】元丰(双推杆)中轮盘式制动器保养工艺一级保养工艺要求,检查中轮作业项目,检查中轮轮毂及中轮制动器工序的检紧轮胎螺母作业步骤的工艺要求不包括()。
A.
拆卸轮胎装饰盖
B.
检紧轮胎螺母
C.
拆卸轴承保护盖
D.
安装轮胎装饰盖
【判断题】Practical writing has its own features in practicality, reality, certainty, formality, and informality.()
A.
正确
B.
错误
【判断题】Practical English writing communicates specific and factual information to a particular audience for a specific purpose.()
A.
正确
B.
错误
【多选题】修复流程包括检查轮毂受损情况、拆卸轮胎、铝焊填补、喷砂粗打磨、( A )、(B)、(C)、(D)、精细抛光等工艺步骤。
A.
砂纸精打磨
B.
填充原子灰
C.
打磨原子灰
D.
喷漆
【单选题】The author's purpose in writing this passage is ______.
A.
to give practical instructions for trimming a tree
B.
to give a general description of trimming a tree
C.
to explain how trees develop diseases
D.
to discuss different methods of trimming a tree
【简答题】脚手架按搭设位置,可分为(__),和(__),两大类;按搭设和支撑方式可分为(__),(__),(__),(__),(__),脚手架等。
【单选题】What was the author's purpose when writing this passage?
A.
To give practical instruction for pruning a tree.
B.
To give a gardener description of pruning.
C.
To explain how trees develop disease.
D.
To discuss different methods of pruning.
【简答题】脚手架按其搭设位置可分为里脚手架和( )。
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