在南极考察期间,许多科考队员都会出现嘴唇干裂,其原因是[ ]
A.海拔高,空气稀薄
B.气候干燥,空气中水分少
C.气候严寒,没有降水
D.光照过于强烈
答案:B
The train leaves___6:00 pm, so I have to be at the station___5:40 pm at the latest?
A.at; until
B.for; after
C.at; by
D.before; around
企业文化对企业发展的巨大作用是什么?