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【单选题】
已知点 在曲线 上， 为曲线在点 处的切线的倾斜角，则 的取值范围是A.
B.
C.
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反馈参考答案：
举一反三
【单选题】What is enclosed with this letter?
A.
A warranty
B.
An invoice
C.
A receipt
D.
A user manual
【单选题】What is this passage mainly concerned with?
A.
The functions of the Department of Labor in America.
B.
A serious problem threatening American economy.
C.
The successful attempt of regulating sweatshops in America.
D.
The seriousness of the problem of sweatshops in America.
【多选题】{What is wrong with this Lemonfizz chart? }
A.
The lie factor is too great
B.
Nothing
C.
The numbers indicate a doubling, but the image indicates a quadrupling.
D.
It is not a success story
【单选题】What is this passage mainly concerned with?
A.
Many adverts can be read literally.
B.
Everyone has a daydream.
C.
Many adverts function on the level of the daydream.
D.
Many adverts are deceitful because they can not make their promises.
【单选题】Sandy is a sales associate who is helping an obnoxious customer. The customer is complaining about a product he just purchased. Sandy smiles and politely helps the customer even though she is annoyed ...
A.
Leadership
B.
Surface acting
C.
Deep acting
D.
Emotional intelligence
【多选题】{What is wrong with this Lemonfizz chart? }
A.
The lie factor is too great
B.
It is not a success story
C.
The numbers indicate a doubling, but the image indicates a quadrupling.
D.
Nothing
【单选题】What is this passage mainly concerned with?
A.
The problems in U.S. hospitals and medical centers.
B.
Why a hospital bill costs what it costs.
C.
How difficult it is for a patient to get medical services.
D.
How the medical charges rise as technology advances.
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