质量相同的尘粒因形状不同,在沉降时所受阻力也不同,因此,粉尘的形状能影响其( )。
A.稳定程度 B.分散度C.密度 D.在空气中的有害度
参考答案:A
根据句意及首字母或汉语提示完成单词。
1. There are three h ____ and sixty-five days in a year.
2. He c____ that the room was too hot.
3. Tom looked for his pen e ____ yesterday, but he didn't find it.
4. It was a b ____ and sunny day yesterday. We went hiking.
5. I have a t ____ to a football match. Do you want to watch the match?
6. The shoes ____ (适合) me, but now they don't.
7. We will have a class meeting to talk about ____ 自由) at home.
8. My mother was cooking in the ____ (厨房) when I got home.
9. I'd like to dress ____ (随意地) on weekends.
10. After graduation, I will work in a big ____ (公司).
在一定期间内,一定的环境条件下,一定水平的行业市场营销努力下,一个行业中所有企业可能达到的最大销售量称为( )。
A.市场占有率
B.区域市场潜量
C.总市场潜量
D.实际销售额