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【单选题】
摩擦与磨损最小的摩擦状态是( ),摩擦与磨损最大的摩擦状态是( ) 。 A. 干摩擦 B. 边界摩擦 C. 混合摩擦 D. 液体摩擦
A.
AB
B.
BC
C.
DA
D.
BD
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参考答案:
举一反三
【单选题】查看材料
A.
She was an excellent student at college.
B.
She works in the entertainment business.
C.
She is fond of telling stories in her speech.
D.
She is good at conveying her message.
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【简答题】vi. 流汗n. 汗水
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【简答题】vi.流汗 n. 汗
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【简答题】glance vi. n. ____
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【单选题】The writer admires Mrs. Phillips because _______.
A.
she was an excellent cook
B.
she was in command of all the servants
C.
she could keep secrets
D.
she knew everything that went on
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【单选题】She was an excellent teacher, whose courses on women's writing were very popular among the students
A.
optional
B.
modify
C.
prime
D.
spouse
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【单选题】She was an excellent teacher, whose ___ courses on women ’ s writing were very popular among the students.
A.
conceptional
B.
rational
C.
exceptional
D.
optional
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【单选题】She was an excellent teacher, whose ______courses on women's writing were very popular among the students.
A.
functional
B.
optional
C.
eternal
D.
external
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【单选题】She was an excellent teacher, whose _____ courses on women's writing were very popular among the students.
A.
optional
B.
symbolic
C.
exceptional
D.
plausible
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【简答题】n./vi. 呼吁,恳求
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相关题目:
【单选题】查看材料
A.
She was an excellent student at college.
B.
She works in the entertainment business.
C.
She is fond of telling stories in her speech.
D.
She is good at conveying her message.
查看完整题目与答案
【简答题】vi. 流汗n. 汗水
查看完整题目与答案
【简答题】vi.流汗 n. 汗
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【简答题】glance vi. n. ____
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【单选题】The writer admires Mrs. Phillips because _______.
A.
she was an excellent cook
B.
she was in command of all the servants
C.
she could keep secrets
D.
she knew everything that went on
查看完整题目与答案
【单选题】She was an excellent teacher, whose courses on women's writing were very popular among the students
A.
optional
B.
modify
C.
prime
D.
spouse
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【单选题】She was an excellent teacher, whose ___ courses on women ’ s writing were very popular among the students.
A.
conceptional
B.
rational
C.
exceptional
D.
optional
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【单选题】She was an excellent teacher, whose ______courses on women's writing were very popular among the students.
A.
functional
B.
optional
C.
eternal
D.
external
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【单选题】She was an excellent teacher, whose _____ courses on women's writing were very popular among the students.
A.
optional
B.
symbolic
C.
exceptional
D.
plausible
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【简答题】n./vi. 呼吁,恳求
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