亚洲与非洲的分界线是( )
A.白令海峡
B.巴拿马运河
C.直布罗陀海峡
D.苏伊士运河
世界上亚洲和非洲的分界线是苏伊士运河.根据题意.
故选:D
— You ____ very happy. Why?
— Because we are going to spend the evening at Lily's house. [ ]
A. taste
B. sound
C. look
D. smell
汽轮机必须维持额定转速运行,最大转速不能超过转速的()。
A.110%;
B.112%;
C.115%.