While teaching students, teachers should take into consideration ______ students develop at different rates.

A．the fact that

B．because

C．as long as

D．in spite of

抗精神病药物阻断肾上腺素能受体后，可产生以下效应（）

A.可产生镇静作用

B.直立性低血压

C.性功能减退

D.心动过速

E.体重增加