It's difficult for the village children to cross the river to get to school. We think a bridge________ over the river
A. How much are they?
B. Can I help you?
C. OK. We'll take them.
D. What size ?
E. Yes. But I like the blue pair.
A:____
B: Yes. A pair of shoes for my son.
B: Size6.
A: How about this pair?
B: Are they nice，John?
C:____
B: Are the blue ones all right?
C: Yes. they are.
B:____
A: They are 40 yuan.
下列关于巴西自然环境特点的叙述，正确的是（ ）
①巴西是热带面积最大的国家，赤道在巴西中部通过
②亚马孙平原是世界上面积最大的平原，巴西高原基本上位于巴西境内
③亚马孙平原的热带雨林，森林茂密，动植物种内繁多，有“世界动植物王国”之称
④亚马孙河是世界上水量最大，流域面积最广，水能蕴藏量最丰富的河流．
Health is important for us teenagers, so we should eat more vegetables such as to keep healthy.
