脉来缓怠,一息不足四至,是()
A.缓脉
B.结脉
C.迟脉
D.代脉
E.涩脉
参考答案:A
She is on a special _____ to lose _____ weight. [ ]
A. food; her
B. food; /
C. diet; the
D. diet; /
当从机外开启登机门时,应()
A、观察门是否有损坏
B、需要机内有人配合
C、需要先按下松琐按钮
D、需要首先观察小圆窗内是否挂着红色警告带