题目

根据句意和汉语注释，在答题卡上标有题号的横线上，写出单词的正确形式。1. To look for his daughter, the old man had to get across the ___(拥挤的) street.2. The Smiths are ________(考虑) buying a new car.3. It seems to me that the ________(推销员) receive some special training. They can all get on well with people.4. I don’t like that my mother always ________(比较) me with my classmates.一定温度下，向图Ⅰ烧杯中加入一定量的水，如图Ⅱ所示，所得溶液与原溶液相比，下列判断一定正确的是（ ）A. 所得溶液是饱和溶液 B. 溶质的浓度变大C. 溶质的质量增加 D. 溶质的溶解度变大