【判断题】【消耗次数:1】
层流和紊流是两种相同性质的流动状态。该说法( )
正确
错误
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随机题目
【单选题】 It is said that people can ______ or deposit money from bank through facial recognition, ie, they don’t have to use a bank card.
①  snatch
②  rob
③  draw
④  pull
【单选题】 In the month, the man earned as much as, if______ than $50,000.
①  no more
②  no much
③  not more
④  not much
【单选题】 —Why didn’t you come to join her party? —I______, but I had to look after my ill mother.
①  would have
②  should
③  would do
④  was going to have
【单选题】 You’ve got a divorce? Why did he decide to______ you after seven years together?
①  keep company with
②  part company with
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④  stay in touch with
【单选题】 After filling out this form, please don’t forget to______ your name.
①  sign
②  sigh
③  scribble
④  jot
【单选题】 ______, the experiment will be successful
①  If carefully doing
②  If did carefully
③  If carefully done
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【单选题】 —Youshouldhavethankedherbeforesheleft.—Imeant_______,butwhenIwasleavingIcouldntfindheranywhere.
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【单选题】 The United States______ many other industrialized countries,______ major changes over the past 100 years.
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【单选题】 —What’s the matter with the boys? —They didn’t pass the examination, but they still______.
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【单选题】 If the weather is fine, we’ll go. If______,______.
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②  not;no
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④  not;not