问题
解答题
细胞中的物质都是自己制造的.______.
答案
:细胞中的这些物质有的是自己制造的,如植物细胞通过光合作用产生有机物,还有的是细胞代谢产生的一些废物,如尿素、二氧化碳等.另外一些物质须从外界获得,如无机盐、水等是通过植物的根从土壤中吸收来的.
故答案为:×
细胞中的物质都是自己制造的.______.
:细胞中的这些物质有的是自己制造的,如植物细胞通过光合作用产生有机物,还有的是细胞代谢产生的一些废物,如尿素、二氧化碳等.另外一些物质须从外界获得,如无机盐、水等是通过植物的根从土壤中吸收来的.
故答案为:×
补全对话 从每题A、B、C、D 中, 选出一个能够填入对话空白处的最佳选项。(5分) Bruce: Hi, Kate! How was your summer holiday? Kate : Bruce: Where did you go? Kate : I went to Yinchuan with my parents. Bruce: Kate : It’s one of the most beautiful cities in the northwest of China. I like it very much. Bruce: How long did you stay there? Kate : We stayed there for five days. Bruce: Which is your favorite place? Kate : When I was there, I lost myself in the beautiful scenery. Bruce: What interesting things did you do there? Kate : Lots of things, such as swimming, boating, fishing and riding camels. Bruce: Oh, really, I can’t wait to go there.
|