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【单选题】
下列说法错误的是（）。A.
硬度和其它力学性能之间不存在一定关系
B.
金属材料工艺性能是指金属材料使用某种工艺犯法进行加工的难易程度
C.
金属力学性能是指材料在外力作用下表现出来的性能
D.
塑性是指金属材料在外力作用下产生塑性变形而不被破坏的能力
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反馈参考答案：
举一反三
【多选题】What tips should we bear in mind when drawing up a questionnaire?
A.
See to it that it takes the shortest possible time to answer the questions.
B.
Provide space for suggestions or further comments if necessary.
C.
All types of questions should be included.
D.
Make sure that the questions help yield the information you need.
【简答题】你站在桥上看风景;看风景的人在楼上看你。明月装饰了你的窗子;你装饰了别人的梦。下面一首小诗的作者是谁? ()
【多选题】What are the tips you should notice when writing greeting card?
A.
Capitalize the first letter of each sentence.
B.
Capitalize the first letter of the name of holidays.
C.
Use elliptical sentences.
D.
Use sentences.
【简答题】What tips should you follow to get a job in a company?
【多选题】What are the tips you should notice when writing greeting card?
A.
Capitalize the first letter of each sentence.
B.
Capitalize the first letter of the name of holidays.
C.
Use elliptical sentences.
【多选题】What tips should be paid attention to while signing a contract?
A.
Make sure the correct legal person signs the contract.
B.
Have a lawyer present to witness important contracts.
C.
Make sure the contract protects the interests and benefits of both parties
D.
Do raise questions when you are in doubt the contract.
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