The simple joy of reading is something we take for granted. But many people have had to _____ this pleasure because of poor eyesight.

A．give in

B．give off

C．give out

D．give up

服用苯丙醇、羟甲香豆素、去氢胆酸和熊去氧胆酸等后，宜多饮水的主要原因为（）

A.此类药物为利胆药

B.该类药物可导致腹泻

C.该类药物可引起胆汁过度分泌

D.应用时间久可引起电解质紊乱

E.多饮水可防止腹泻、电解质紊乱和避免胆结石形成