题目

阅读理解 Li Ming is staying with the Wang's family for theweekend. Today it is warm and fine. The family are having dinnerin the garden. They often have dinner in the garden on a warm and fine springday. Now Mr and Mrs Wang are sitting at table with Li Ming under a tree. It's great to have dinner out here on such a lovelyday, Mrs Wang says. What's the weather like in your hometown, LiMing? Mr Wang asks. It's not very warm in spring. But I like thespring there best. Help yourself to some cakes. Li Ming, MrsWang says. Thanks，says Li Ming. The cakes are very nice. I enjoy the dinner very mu 下列合成纤维是用缩聚反应制成的是       （　　）。