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【单选题】
普萘洛尔不能用于治疗A.
高血压
B.
过速型心律失常
C.
心绞痛
D.
甲状腺功能进
E.
支气管哮喘
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反馈参考答案：
举一反三
【判断题】1970年美国超级市场AdHoc委员会制定了通用商品代码——UPC码（Universal Product Code），此后许多团体也提出了各种条码符号方案。
A.
正确
B.
错误
【单选题】— Excuse me. Can you spare me a few minutes? — _____. [ ]
A.
What's on?
B.
What's more?
C.
What's up?
D.
What is it?
【单选题】―Do you have anything to do this afternoon? ―What’s up? ―Let’s go shopping. It’s said that Jinying Shop _____, and all the sweaters are sold at half price. ―Why not?
A.
has closed down
B.
was closing down
C.
closes down
D.
is closing down
【单选题】—You look so worried, what’s wrong? —More and more people like me become to worry about the __________ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
A.
water
B.
air
C.
noise
D.
Soil
【单选题】-You look so worried, what’s wrong? -More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
A.
water
B.
air
C.
noise
D.
Soil
【单选题】—Excuse me，can you spare me a few minutes? —________？
A.
What's on
B.
What's up
C.
What is it
D.
What's more
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