若定积分<img src=https://huaweicloudobs.ahjxjy.cn/287617B9560F3502FE9B59501A7D7A92.png title=QQ图片20160224152156.png alt=QQ图片20160224152156.png/>，则<img src=https://huaweicloudobs.ahjxjy.cn/D4FB8DFDDECB5C1DD19A6A89CD334E2B.png title=QQ图片20160224143413.png alt=QQ图片20160224143413.png/> - 答案查看网

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【单选题】【消耗次数：1】

若定积分<img src=https://huaweicloudobs.ahjxjy.cn/287617B9560F3502FE9B59501A7D7A92.png title=QQ图片20160224152156.png alt=QQ图片20160224152156.png/>，则<img src=https://huaweicloudobs.ahjxjy.cn/D4FB8DFDDECB5C1DD19A6A89CD334E2B.png title=QQ图片20160224143413.png alt=QQ图片20160224143413.png/>

① 40

② -40

③ 80

④ -80

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随机题目

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① as difficult as; expensive

② as more difficult as; more expensive

③ as difficult as; more expensive

④ more difficult as; as expensive

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① shorter

② longer

③ little

④ few

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【单选题】 20. Your room is ____ than mine.

① three time big

② three times big

③ three times bigger

④ bigger three times

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① as fifty time big

② fifty times as big

③ as big fifty times

④ fifty as times big

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【单选题】 15.–What’s your brother like? –He is____.

① a driver

② very tall

③ my friend

④ at school

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① much important

② important

③ much more important

④ more much important

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【单选题】 5. His father began to work ____he was seven years old.

① as old as

② as early as

③ as soon as

④ as much as

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① much too

② too much

③ very tall many

④ many very tall

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① even hotter

② more hotter

③ much more hot

④ much hot

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① quite a few

② only a few

③ few

④ a few quite

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