石油的馏分包括()。
A.烃类、非烃类、微量元素等
B.石油气、汽油、煤油等
C.正构烷烃、芳烃、含氮化合物等
D.异构烷烃、环烷烃、硫氧化合物等
参考答案:B
选词填空。
for, by, over, in, from, of, on, with, at
1. I'm sorry hear that.
2. What's wrong ____ you?
3. I can get some fruit you.
4. Let's go to see the doctor ____ taxi.
5. Classes are ____.
6. -Is Helen absent? |-No, she's ____.
7. This is the first day ____ the new term.
8. Liu Tao is not school.
9. We have an English lesson ____ Monday morning.
10. I'm ___ China. I'm Chinese.
我国企业会计实务中的货币资金是指()。
A.现金
B.现金和银行存款
C.库存现金和有价证券
D.库存现金、银行存款和其他货币资金