1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

(1).具有多巴胺受体阻断作用的药物是（）。
(2).具有抗组胺作用的药物是（）。
(3).前列腺肥大不宜使用的药物是（）。
(4).对晕动病引起的呕吐无效的药物是（）。

If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

Either he or I ______to the airport.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

_____city do you prefer, Shanghai or London?

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

Hurry up, or you ______ catch the train.

β受体阻断药的药理作用不包括________。

拉贝洛尔可阻断下列哪种受体________。