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【简答题】
设函数 ， （1）当 时，求函数 的单调递减区间； （2）若函数 有相同的极大值，且函数 在区间 上的 最大值为 ，求实数 的值.（其中e是自然对数的底数）.
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举一反三
【单选题】This extra effort makes a lasting _________, the kind that often results in some fortune with extra business.
A.
conflict
B.
process
C.
representative
D.
impression
【单选题】You have to pay a （ n ） premium for express delivery.
A.
extra charge
B.
extra price
C.
extra tip
D.
extra bonus
【简答题】数据结构是相互之间存在一种或多种特定关系的数据元素的集合，它包括三方面的内容，分别是______、_________和_______。
【简答题】Extra places confirm faith in foundation degrees There will be an extra 10,000 places on foundation degree courses next year, giving more people a chance to study for a vocationally-focused higher edu...
【简答题】A．The shop guarantees the battery for a year. B．The man will clean it at no extra charge. C．The man can repair watches very quickly. D．The shop is offering a special discount.
【简答题】( )是相互之间存在一种或多种特定关系的数据元素的集合。
【单选题】Want Extra Income? Do you have a few free hours to earn extra income? If you are college students, retirees, or part-timers, this job is perfect for you. Youll work before sunrise and be finished in t...
A.
To recruit newspaper reporters
B.
To announce part-time opportunities
C.
To encourage people to subscribe to a newspaper
D.
To advertise a new restaurant
【单选题】If employees work on public holidays, usually they will get ______.
A.
extra days off
B.
extra money
C.
a pay raise
D.
paid holidays
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