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【单选题】
particle is moving along an arbitrary curved path. Which statement is correct?A.
The tangential acceleration is not zero.
B.
The normal acceleration is not zero.
C.
Because the velocity only has the tangential component, the normal acceleration must be zero.
D.
If the particle moves with a constant speed, the magnitude of the total acceleration must be zero. [ ]
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举一反三
【多选题】What are the steps in using exemplication in your writing?
A.
Think of a topic sentence
B.
Select suitable examples
C.
Compare those examples
D.
Put the examples in correct order by using linking devices
【判断题】《我和我的祖国》以第一人称角度诉说了对祖国的挚爱之情,用拟人化的手法将祖国与我比作是“母亲与子女”、“大海与浪花”,深切表达出人民对祖国亘古不变的热爱之情。全曲采用8拍子为主的节拍,使得旋律流畅而富于生气。
A.
正确
B.
错误
【单选题】A 产品每月末在产品数量较小,为简化成本计算工作,其完工产品在产品的费用分配采用按年初数固定计算在产品成本法。在产品年初成本为、直接材料费用1200元,直接燃料和动力费用150元,直接人工费用1000元,制造费用450元。4月份A产品发生的生产费用为:直接材料费用150000元,直接燃料和动力费用20000元,直接人工费用120000元,制造费用50000元,本月A产品完工产品产量为1000件。 ...
A.
340
B.
340 000
C.
337 200
D.
320 000
【多选题】下列关于民族精神与时代精神关系的认识,正确的是
A.
时代精神与民族精神紧密相连,时代精神是民族精神的时代性体现
B.
民族精神是时代精神形成的重要基础和依托
C.
民族精神和时代精神共同构成了中国精神的主要内容
D.
两者的有机统一成为社会主义核心价值体系的精髓
E.
构建社会主义和谐社会
【单选题】—How does Tim go to school? —He usually walks to school. The school is not far ______ his home.
A.
to
B.
from
C.
for
D.
of
【多选题】What are the three missions of human resource management?
A.
Helping to achieve the business purpose of the organization
B.
Overseeing and linking the organization's human side to the organization objectives.
C.
Ensuring all people and activities in an organization are in agreement with regulations and laws.
D.
Linking the organization's human side to the organization objectives.
【简答题】阅读理解。 Wearing the wrong type of glasses will do harm to your eyes. This is not true for s, although incorrect glasses may not be good for children under 10. Ready-made glasses, and not wearing wh...
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