清代贵州开采的矿产,在全国占有重要地位的是()?
A、煤
B、铅锌
C、汞
D、金银
参考答案:B
Help ________ to some beef, Lucy and Lily. It’s very delicious.
A.yourself
B.yourselves
C.herself
D.themselves
A.一江春水向东流
B.心潮澎湃
C.海水奔腾
D.流星似剑