试题详情

The “four Cs” for pilots to remember during an emergency stand for （）.

the Boston telephone book. Notice that the numbers for the police and the fire department are the

I had to stand in a（ ）for hours to get tickets for the film.

The emergency exit doors are used to facilitate evacuation that are not normally used for exit.

n know how to use the telephone．They should be taught to dialzerofor the operator,at the very least