皮皮学,免费搜题
登录
搜题
【单选题】
What is the difference between horizontal e-marketplaces and vertical e-marketplaces?
A.
Vertical e-marketplaces support commerce between multiple industries; horizontal e-marketplaces support commerce between businesses from the same industries
B.
Vertical e-marketplaces support commerce between businesses from the same industry; horizontal e-marketplaces support commerce between businesses from different industries
C.
Horizontal e-marketplaces support commerce between businesses and consumers; vertical e-marketplaces support commerce between business and business
D.
Horizontal e-marketplaces support commerce between business and business; vertical e-marketplaces support commerce between consumer and business
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】不存在其他药物时,吲哚洛尔通过激动P受体致心率增高,但在高效日受体激动剂存在的情况下,吲哚洛尔引起剂量依赖性心率降低。因此吲哚洛尔是______
A.
化学拮抗剂
B.
生理性拮抗剂
C.
不可逆性拮抗剂
D.
非竞争性拮抗剂
E.
部分拮抗剂
【单选题】不存在其他药物时,吲哚洛尔通过激动p受体致心率增高。但在高效受体激动剂存在情况下,吲哚洛尔引起剂量依赖性心率降低。因此吲哚洛尔可能是
A.
不可逆性拮抗剂
B.
生理性拮抗剂
C.
化学拮抗剂
D.
部分激动剂
E.
非竞争性拮抗剂
【单选题】吲哚洛尔是
A.
α和β受体激动药
B.
主要是β受体激动药
C.
主要是α受体激动药
D.
β受体阻断药
E.
α受体阻断药
【判断题】石灰未消化的残渣包括欠火灰、过火灰及杂质的含量。
A.
正确
B.
错误
【简答题】They are under the ( impress ) that their communication ability is the most important factor in whether or not they will hired.
【单选题】患者,女,55岁,2月前体检时查出高血压,之后一直服用利尿药氢氯噻嗪,但效果不佳,加用吲哚洛尔后血压得以控制。吲哚洛尔是 :
A.
α、β受体阻断药
B.
选择性α1受体阻断药
C.
选择性α2受体阻断药
D.
选择性β1受体阻断药
E.
非选择性β受体阻断药
【单选题】吲哚洛尔是( )
A.
α和β受体激动药
B.
主要是β受体激动药
C.
主要是α受体激动药
D.
β受体阻断药
【单选题】________ are they? They are under the tree.
A.
How
B.
When
C.
Where
D.
Who
【单选题】—______ are your shoes? —They are under the bed. [     ]
A.
Where
B.
What
C.
How
【简答题】读一读,说一说,完成对话。 — Where are my shoes? — They are under the chair. — Where are __________________? — They're ____________________.
相关题目: