小流域界定面积是多少?
参考答案:5—30平方公里闭合集水区,最多不不超过50平方公里。
正常人机体每日蛋白质需要量为
A.1.2~1.5 g/kg
B.0.3~0.5 g/kg
C.0.8~1.0 g/kg
D.15 g/kg
E.1.6~2.0 g/kg
根据句意,用括号中所给单词的正确形式填空
1. Today is Gina's mother's __________(42) birthday.
2. -Let's go and see a movie together.
-That __________(sound) great.
3. I get up, brush my __________(tooth) and then eat breakfast.
4. Some old people love __________(listen) to Beijing Opera.
5. Guo Peng __________(not have) any friends.
6. Tony often __________(go) to see Chinese action movies on weekends.
7. May is the __________(five) month of a year.
8. Can you help the kids with __________(swim)?
9. Miss Zhang teaches __________(we) English and we all like her.
10. The movie Mr. Bean is a very __________(success) comedy.