题目

短文填词。 根据短文内容，选择合适的单词并用其适当形式填空，使短文完整、连贯。 vegetable，healthy，clean，spend，buy，shop，clever，like，lettuce，time Some people like shopping online.They __1__ clothes，books or computers on it.Like many other __2__ Chinese，Wu Songzhi is shopping online，too.“My family and I _3__ to eat tomatoes，broccoli，_4__ and potatoes，so I want to buy organic(有机的) ones，” said Wu.“They are __5__ and I don't have to wash them so many __6__.” Every month，Wu __7__ about 600 yuan on organic __8__ a如图所示,物体A靠在竖直墙面上,在竖直推力F的作用下,物体A、B均保持静止。则物体A的受力个数为 A.2                B.3                     C.4                   D.5