【判断题】【消耗次数:1】
函数在一点处连续是函数在该点处有极限的必要非充分条件。
正确
错误
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相关题目
【判断题】 函数在一点处可导是其在该点处可微的必要非充分条件。
①  正确
②  错误
【判断题】 函数在一点处可微是其在该点处连续的充分必要条件。
①  正确
②  错误
【判断题】 若函数在一点处没有定义,则它在该点处一定没有极限。
①  正确
②  错误
【单选题】 函数在点处连续是在该点处()
①  偏导数存在的充分条件
②  可微的充分条件
③  偏导数存在的必要条件
④  可微的必要条件
【判断题】 若函数在一点处不连续,则它在该点处一定不可导。
①  正确
②  错误
【单选题】 函数在点处有定义是它在该点处连续的一个()
①  必要条件
②  充分条件
③  充要条件
④  无关条件
【判断题】 函数在某一点处可微的充要条件是函数在该点可导。
①  正确
②  错误
【单选题】 =是函数在点处连续的()
①  必要条件
②  充分条件
③  充分必要条件
④  即非充分又非必要条件
【判断题】 函数在某一点的左极限、右极限都存在且相等,那么函数在该点极限存在。
①  正确
②  错误
【单选题】 函数在点处取得极值是的()条件.
①  充分
②  必要
③  充分必要
④  非充分也非必要
随机题目
【单选题】 The dean of the Philosophy Department requested that the visiting scholar ______ a lecture on the philosopher Sartre.
①  gave
②  give
③  would give
④  had given
【单选题】 It became harder for women married to diplomats(外交家) to _______ their own interests.
①  pursue
②  replace
③  absorb
④  convince
【单选题】 As a result of his hard work, he has gained ______ to the Beijing University.
①  access
②  commitment
③  opportunity
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【单选题】 Planning so far ahead _____ no sense -- so many things will have changed by next year.
①  made
②  is making
③  makes
④  has made
【单选题】 How can you keep the machine ()when you are away?
①  run
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③  running
④  being run
【单选题】 I hate people who ____ the end of a film that you haven’t seen before.
①  reveal
②  rewrite
③  revise
④  reverse
【单选题】 Since the matter was extremely _____, we dealt with it immediately.
①  tough
②  tense
③  urgent
④  instant
【单选题】 As to who is to be hired, it is the Human Resources Department()has the final say.
①  whose
②  those
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【单选题】 Twenty people were _______ wounded in the air crash.
①  quickly
②  wrongly
③  bitterly
④  seriously
【单选题】 Evidence came up _____ specific sounds are recognized by babies as young as 6 months old.
①  what
②  that
③  which
④  why