我国著名的冰川观赏地有()。
A.玉龙雪山
B.梅里雪山
C.海螺沟
D.冰壶洞
E.云袖山
参考答案:A, B, C
Can you lend me the book ____the other day?
A which you talked B that you talked C you talked D you talked about
HL液压油已不能满足一些关键部位的润滑要求,因而发展了HM液压油,即()。