我国耕地土壤重金属污染面积在2011年达到()亿亩,占耕地总面积的8.3%。
A.1
B.1.5
C.2.5
D.2
参考答案:B
根据首字母和句意将句子补充完整。
1. An elephant's nose is l____________ than a cat's.
2. T____________ right at the first crossing and you can find it on your right.
3. What are you g____________ to do this weekend?
4. I am going to take part in the singing c____________.
5. Can I have some w____________ paper?
6. Tony is my p____________, we often write letters to each other.
7. I would like to see a Beijng O____________.
8. Jill likes m____________ planes.
9. The boys run f____________ than the girls.
10. Would you please t____________ me the way to the post office?
按照()划分,控制可分为事前控制、事中控制和事后控制。
A.控制信息的准确性
B.控制信息的来源或纠正措施
C.控制过程是否形成闭合回路
D.事物发展过程