船舶前进时，水动力中心：（）.A.在重心附近 B.在重心之前 C.在重心之后 D.在 发布时间：2019-12-28 18:57 │ 来源：www.tikuol.com 题型：单项选择题 问题： 船舶前进时，水动力中心：（）.A.在重心附近B.在重心之前C.在重心之后D.在转心附近
题型：单项选择题 阅读理解。 Almost all people like flowers. Some people like flowers because of their smells, shapes, colors and so on 1 . For example, red roses mean "love" and sunflowers mean "loyalty (忠诚)". So people in more than 100 countries have chosen their own national flowers which say something about their countries' spirit(精神). In1994, China talked about choosing a national flower. 2 . They couldn't agree with each other. So it has not been decided yet. People like to buy different flowers in different seasons. Where do all the beautiful flowers in shops comefrom? Why is their price high? a. Farmers grow flowers in their fields. b. Planes or trains or buses tare the flowers to different places. c. Flower shopkeepers buy flowers from the flower markets. They look at the flowers and throw away the broken or bad ones. They cut the flowers to make them more beautiful. d. You go to buy the flowers in the shops. 3 : the farmer, the driver of the plane or train or bus, theseller in the flower market and the flower shopkeeper. So you'd better keep your flowers from far away for a long time. But how? Why not dry them? It's easy!Sand drying is a way. Dry, clean sand is one of the oldest things for drying flowers. And it's one of the cheapest. Fill a box half-way with sand. Put the flowers on top of the sand. Put the box in a warm, dry place. 4______. Take them out and they will be dry. 补全短文，然后完成第五题。A. Some people liked the peony (牡丹花) but others liked the plum blossom (梅花) B. Leave the flowers there for one to three weeksC. When you buy a flower, you're paying lots of people D. Others like flowers because they think different flowers have different meanings5. What's the best title of passage? [ ]A. Flowers' language B. Where do flowers come from? C. How to dry flowers? D. About flowers 查看答案