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【单选题】
如图 7 所示,用一根长杆和两个定滑轮的组合装置用来提升重物 M ,长杆的一端放在地上通过铰链连接形成转轴,其端点恰好处于左侧滑轮正下方 O 点处,在杆的中点 C 处拴一细绳,通过两个滑轮后挂上重物 M 。 C 点与 O 点距离为 L ,现在杆的另一端用力使其逆时针匀速转动,由竖直位置以角速度 ω 缓慢转 图 7 至水平 ( 转过了 90° 角 ) ,此过程中下述说法正确的是 ( )
A.
重物M做匀速直线运动
B.
重物M做匀变速直线运动
C.
重物M的最大速度是ωL
D.
重物M的速度先减小后增大
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【单选题】According to Professor Bloom, what will happen if people continue to be influenced by Disney in such a way?
A.
Children can learn a lot before they go to school.
B.
People will find themselves in the same culture all over—Disney's culture.
C.
People will have many different forms of entertainment.
D.
People will become sexists or racists.
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【简答题】Listening 3.mp3: 3. Learn to think. Are you learning (1)____ — or (2)? Do you (3)____, or (4)_____? According to Bloom, about 95 percent of today’s teaching focuses on the “(5)______” —(6) , multiplic...
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【单选题】Why did he give up making a new appointment with Mr. Smith?
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He couldn't reach Mr. Smith's office.
B.
He didn't want to see Mr. Smith any more.
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【单选题】—Is that man in a red T-shirt Mr. Smith, your math teacher? —It _______ be Mr. Smith. He has gone back to America. [     ]
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must
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can
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【单选题】Mr. Smith insisted that his book _______within three days.
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returned
B.
would be returned
C.
should return
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be returned
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【判断题】According to Bloom, among the six basic levels of critical thinking, high order of thinking skills refer to understanding, applying, analyzing, evaluating and creating.
A.
正确
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【判断题】美国和中国的上海和深圳证券交易所都实行会员制,是不以盈利为目的的组织。
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【单选题】According to Professor Bloom, what will happen if people continue to be influenced by Disney in such a way?
A.
Children can learn a lot before they go to school.
B.
People will have many different forms of entertainment.
C.
People will find themselves in the same culture all over— Disney’s culture.
D.
People will become sexists or racists.
查看完整题目与答案
【单选题】— Hello, could I speak to Mr. Smith?— Sorry, wrong number. There isn’t __________ Mr. Smith here.
A.
不填
B.
a
C.
the
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one
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【判断题】Tarzan is the hunter who is shooting in the jungle .()
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正确
B.
错误
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【单选题】According to Professor Bloom, what will happen if people continue to be influenced by Disney in such a way?
A.
Children can learn a lot before they go to school.
B.
People will find themselves in the same culture all over—Disney's culture.
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People will have many different forms of entertainment.
D.
People will become sexists or racists.
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【简答题】Listening 3.mp3: 3. Learn to think. Are you learning (1)____ — or (2)? Do you (3)____, or (4)_____? According to Bloom, about 95 percent of today’s teaching focuses on the “(5)______” —(6) , multiplic...
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【单选题】Why did he give up making a new appointment with Mr. Smith?
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【单选题】—Is that man in a red T-shirt Mr. Smith, your math teacher? —It _______ be Mr. Smith. He has gone back to America. [     ]
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【单选题】Mr. Smith insisted that his book _______within three days.
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【判断题】According to Bloom, among the six basic levels of critical thinking, high order of thinking skills refer to understanding, applying, analyzing, evaluating and creating.
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【判断题】美国和中国的上海和深圳证券交易所都实行会员制,是不以盈利为目的的组织。
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【单选题】According to Professor Bloom, what will happen if people continue to be influenced by Disney in such a way?
A.
Children can learn a lot before they go to school.
B.
People will have many different forms of entertainment.
C.
People will find themselves in the same culture all over— Disney’s culture.
D.
People will become sexists or racists.
查看完整题目与答案
【单选题】— Hello, could I speak to Mr. Smith?— Sorry, wrong number. There isn’t __________ Mr. Smith here.
A.
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【判断题】Tarzan is the hunter who is shooting in the jungle .()
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B.
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