皮皮学，免费搜题
登录
搜题
【单选题】
酚妥拉明扩张血管的作用是由于A.
激动α受体
B.
激动多巴胺受体
C.
阻断α受体
D.
阻断M受体
E.
激动β受体
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】—May I keep your company there? —You may_________.
A.
if you like
B.
as you like
C.
if you’d like
D.
if you like to
【单选题】_____, I think, and the problem can be settled.
A.
If you double your efforts
B.
If you make greater efforts
C.
If you spare no efforts
D.
Some more efforts
【单选题】You have to be patient if you want to sustain your position
A.
maintain
B.
better
C.
acquire
D.
support
【单选题】If your meal costs 5 dollars and if you. want to tip the waiter before you leave, you can pay the restaurant ______ dollars.
A.
5.5
B.
5
C.
6
D.
4
相关题目：