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【单选题】
带传动根据其传动原理分为()和()两大类。A.
摩擦型带传动、啮合型带传动
B.
摩擦型带传动、齿轮型带传动
C.
啮合型带传动、滚动型带传动
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反馈参考答案：
举一反三
【简答题】There were people who would be glad to see him leave the plade, he knew it.
【简答题】智力是指人们的认识能力，其核心是（ ）
【简答题】A good business leader should be very friendly with the people working under him/ her.
【单选题】He is _____ ,so many people like to be friends with him.
A.
easy-go
B.
easy-going
C.
easy-gone
D.
easy-goed
【单选题】At first many people disagreed to his opinions but ______ events have proved him to be right.
A.
serious
B.
series
C.
subsequent
D.
secondary
【单选题】切应力互等定理与剪切胡克定律的正确适用范围是( )
A.
都只在比例极限范围内成立
B.
超过比例极限时都成立
C.
切应力互等定理在比例极限范围内成立，剪切胡克定律不受比例极限限制
D.
剪切胡克定律在比例极限范围内成立，切应力互等定理不受比例极限限制
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