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【单选题】
普萘洛尔诱发或加剧支气管哮喘的主要原因是（ ）。A.
促进肥大细胞释放组胺
B.
直接兴奋支气管平滑肌
C.
阻断支气管平滑肌β2受体
D.
兴奋平滑肌M受体
E.
阻断支气管平滑肌β1受体
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举一反三
【简答题】By using a check card, a consumer receives credit as well as a monthly bill when a buying is done.
【单选题】What would be an outcome if a person had a defect in which the metabolites of ethanol could not enter the mitochondria?
A.
Acetate would accumulate, which is toxic.
B.
Acetaldehyde would accumulate, which is toxic.
C.
Acetate would be activated by tissues to acetyl-Co
D.
Acetaldehyde would be activated by tissues to acetyl-Co
E.
The MEOS would not function.
【单选题】How do most buyers feel when they are buying fakes?
A.
Most of them know that buying fakes can be a criminal offence.
B.
Most of them view buying fakes as a bit of harmless fun.
C.
Most of them care that they are fakes.
【简答题】What is the most important factor to consider when buying an MP3 Player? _________________________________.
【单选题】When a person sneeze, others would say 'God bless you.' It comes of which of the following beliefs?
A.
A sneeze makes devils come into one's body.
B.
Telling the name of God can get devils out of one's body.
C.
God may help people sneeze.
D.
Both A and
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