We students are so busy with our homework that we have no time for outdoor exercise, ______ we have the desire.

A．wherever

B．whenever

C．even if

D．as if

为昏迷病人做口腔护理应做到（）

A.使用开口器时从臼齿放入

B.用血管钳夹紧棉球擦拭

C.一次一个棉球

D.棉球蘸漱口水不可过多

E.禁忌漱口