A． B． C． D． E． A． B． C．[

水分吸收器用于连接清洁罐和气囊及收集气囊中流出的水份。

我国科举制度正式诞生于[ ]

A．秦朝

B．汉朝

C．隋朝

D．唐朝

属于洋地黄的绝对禁忌证的是（）

A.右心衰竭

B.心力衰竭伴房颤

C.充血性心力衰竭

D.单纯二尖瓣狭窄伴窦性心律

E.β受体阻滞药治疗效果差

It is fashionable to drive a car, but to drive a car is not nearly as difficult as it is imagined on condition that you ______ the specialized rules.

A．give up

B．stick to

C．insist on

D．connect toT

新形势下，应当如何稳定集体林地承包关系？