1.Consumers tend to higher quality , more expensive quipment when economy is strong than weak. A sells high quality enpensive camping ang hiking equipment .although economic is becoming strong, A don’t expect a increase in sales. 问支持 When economic is strong , those who might otherwise go camping tend to take vacations overseas. The economic upturn is likely to allow native parks, where most of camping and hiking is done, to receive extra funding to improve their visitor facilities.(这个是正确答案 我选的是上面一个 麻烦解释一下 ~~)
2.The irradiation of food kills bacteria and retards spoilage.however, it lowers nutrition. For instance, irradiation destroys VB food contain. Proponents of irradiation point out that irradiation is no worse than cooking .however ,this fact is false since__ For food thay is both irradiated ang cooked ,the reduction of VB associated with either process individually is compounded.(这个怎么理解啊?) |