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【简答题】
Directions: 1: Answer the one of the following questions or both 2: Record your answers through Voice Recorder and send it to teacher’s mailbox online 3: Make sure the voice clip is not longer than 2 minutes Questions 1: Your Impressions about Professional Life of Interpreters after video watching 2: Your Feelings or ideas in shadowing exercise
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】下列各对函数中哪些相同?哪些不同? (1)f(x)=lgx 2 ，g(x)=21gl|x|； (2) ，g(x)=| x-2| (3)f(x)=e lnx2 ，g(x)=2x； (4)f(x)=1，g(x)=sec 2 x-tan 2 x
【简答题】（1）设f（x）=2 x ，g（x）=4 x ，若g[g（x）]＞g[f（x）]＞f[g（x）]，求x的最大取值范围． （2）若函数y=4 x -3?2 x +3的值域为[1，7]，求x的取值范围．
【简答题】已知奇函数f（x），偶函数g（x）满足f（x）+g（x）=a x （a＞0且a≠1）． （1）求证：f（2x）=2f（x）g（x）； （2）设f（x）的反函数 f -1 (x)，当a= 2 -1 时，比较f -1 [g（x）]与-1的大小，证明你的结论； （3）若a＞1，n∈N*，且n≥2，比较f（n）与nf（1）的大小，并证明你的结论．
【单选题】Johnnys Fitness has begun its summer promotion. For the next three months anyone purchasing a one year fitness membership___1___an additional year free. Each new member will have full access to the sa...
A.
will be received
B.
have received
C.
will receive
D.
was received
【单选题】A discount of I percent is offered for payment within 30 days, and 0.5 percent for payment within 60 days.（）
A.
If customers pay within 30 days, they will save more money.
B.
The company does not permit a discount for payment within 50 days.
C.
Customers will not save any money by paying immediately after purchasin
【简答题】长期债务筹资的方式有哪些?优缺点是什么?
【简答题】熔化焊设备的漏电保护器，应每月检查一次，即操作漏电保护器按钮，检查其是否能正常断开（）。
【单选题】The article is mainly about______.
A.
the psychology of money-spending habits
B.
the purchasing habits of compulsive spenders
C.
a special psychology of bargain hunting
D.
the use of the psychology of spending habits in business
【单选题】14 Which of the following is an element of procurement management:
A.
inspection
B.
purchasing
C.
estimating
D.
expediting
E.
A, B and D only
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