应急资源的准备充分程度是一个国家、地区和社区的()重要指标。
A.应急响应
B.风险评估
C.应急准备度(preparedness)
D.应急预案
参考答案:C
用所给词的适当形式填空。
1. All the football ________ (play) play well in this match.
2. There are six ________ (match ) in the afternoon.
3. I enjoy ________ (draw) some pictures on the wall.
4. ________ (be) your sister good at playing volleyball?
5. Tom usually _________ (watch) TV after he does his homework.
和十进制数225相等的二进制数是()
A、11100001
B、11111110
C、10000000
D、11111111