GPWS方式1出现警告的气压高度下降率门限值().
A.随无线电高度增大而减小
B.随无线电高度增大而增大
C.随气压高度增大而增大
D.随气压高度增大而减小
参考答案:B
小明从家走路去超市,每分钟走66米,8分钟到达.原路返回时,用了6分钟,返回时每分钟走多少米?
— he have been chosen as captain of the Chinese football team?
— Yes, he ____ .[ ]
A. Must; must
B. Can; must
C. Must; must have
D. Can; must have