亚洲人均国民生产总值超过10000美元的国家有 [ ]
A.2个
B.3个
C.4个
D.5个
答案:B
Sandy likes sports a lot. She is _____ than any of her friends.[ ]
A. more athletic
B. calmer
C. smarter
运转中要随时注意观察电压、电流、油压、温度、水压等情况是否正常。