题目

下列事例中，不属于扩散现象的是 A．走进厨房即可闻到炒菜的香味 B．将泥沙投入水中，水变浑浊了 C．樟脑丸在衣柜中放一段时间后变小 D．扫地时，太阳光下能看到大量尘埃做无规则运动  答案：B、D用其适当形式完成句子（共10空，计5分）小题1: We would feel_________ if someone didn’t respect(尊敬) us. Luckily I am respected by my students and it_________ (comfort) me.小题2:By the time we got there, we found that Jacky_________up all food. Now I’m sorry to say that there’s nothing _________(eat).小题3:This kind of machine can _________(use)for_________(cut)paper.小题4:I’m pleased_________(know) you have finished drawing the________(nine) picture.小题5:---Can you tell me what the_________between Jenny and Cathy are? ---They are twin sisters, but Jenny is smarter and sometimes she thinks_________(different) from others