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【单选题】
大部分高碳钢使其达到最佳切削性能的热处理工艺方法是( )。A.
完全退火
B.
球化退火
C.
淬火
D.
回火
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皮皮学刷刷变学霸
举一反三
【单选题】What can be inferred about the professor?
A.
He is not very polite to his class.
B.
He encourages the students to participate.
C.
He is not very interested in the topic.
D.
He is probably a good dancer.
【单选题】Why does Doctor Green break the rule for the man?
A.
He is very polite.
B.
He is going on a vacation. going on a vacationgeneral offi form?udent card?
C.
He is unable to afford a full checkup. 听第7段材料，回答第8、9题。
【简答题】He acted very politely in the presence of her.
【单选题】What is the passive structure of the following sentece? It was thought that he had acted very foolishly.
A.
He was thought to have acted very foolishly
B.
He was thought to act very foolishly
C.
He is thought to have acted very foolishly
D.
He is thought to act very foolishly
【简答题】美国高校录取学生的依据?
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