-Do you know if he will come tomorrow?

-No,but if he           ,I’ll call you to have a meal together.

A．will come

B．won’t come

C．comes

D．doesn’t come

“开车不饮酒，饮酒别开车！”饮酒过量的人往往表现为语无伦次、走路不稳、呼吸急促，人脑中受影响的生理结构依次是（）

A.大脑、脊髓、脑干

B.大脑、脑干、小脑

C.小脑、脑干、大脑

D.大脑、小脑、脑干