题目

The Diet Zone: A Dangerous Place   Diet Coke, diet Pepsi, diet pills, no-fat diet, vegetable diet… We are surrounded by the word “diet” everywhere we look and listen. We have so easily been attracted by the promise and potential of diet products that we have stopped thinking about what diet products are doing to us. We are paying for products that harm us psychologically and physically（身体上）.   Diet products significantly weaken us psychologically. On one level, we are not allowing our brain to admit that our weight problems lie not in actually losing the weight, but in cont选词填空。 开辟　　开垦 1．母亲说：“让它荒着怪可惜的，你们那么爱吃花生，就(　　)出来种花生吧。” 2．经过人们辛勤的(　　)，北大荒变成了万顷良田。 固然　　居然 3．我家屋后的半亩隙地经过开辟，过了几个月，(　　)收获了。 4．花生的用处(　　)很多，但有一样是很可贵的。