2.【单选题】哲学上的二元论就是否认（）

Drinking mocktail is better than cocktail on plane not because ____.

The combination of seltzer water and cranberry juice is ____.

Dehydration may cause the following airsickness except ____.

The best drink to order on a plane is ____.

The baby could not be ____ no matter what his mother does.

I had some rest because I feel ____.

The ____ was held in the brightly-lit greatly hall of the people.

The flight attendants are preparing dinner in the ____.

Please always ____ your seat belt when driving.

Take a deep breath and ____ yourself.