题型：名词解释 阅读理解。 Some children wish to be writers some day. They want to write stories or books for people to read. That's good!It's good to write something for people to read!But they should know that they need to be good readers first before they are really good writers. They should read a lot of books, instead (代替) ofwatching TV and spending a lot of time playing games when they are free. There is more fun in reading, you want to look for more books to read. Before you decide (决定) to be a good writer, you'd better say to yourself, "I must read more and more!" 1. This article mainly tells us that ______. [ ]A. some children wish to be writers some day B. it is good to write something for people to readC. reading can be helpful for us to become a good writer D. writers like to read more books for fun 2. Some children want to be writers ______. [ ]A. because they want to be good readers B. to write stories or books for people to read C. to find good work some day D. to get more money to keep a family 3. It's good for children ______. [ ]A. to do a lot of reading B. to watch TV in the eveningC. to have wishes only D. to be good writers right now 4. Reading can ______. [ ]A. help you to be a good player B. help you write well C. make you work better D. make you watch more TV at home 5. From the passage we know that ______. [ ]A. all children like to be writersB. people like to read for children C. all writers are children D. children need to read more and more books 查看答案
题型：名词解释 目的基因导入受体细胞后，是否可以稳定维持和表达其遗传特性，只有通过鉴定和检测才能知道。下列属于目的基因检测和鉴定的是①检测受体细胞是否有目的基因 ②检测受体细胞是否有致病基因 ③检测目的基因是否转录mRNA ④检测目的基因是否翻译蛋白质[ ]A．①②③ B．②③④C．①②④D．①③④ 查看答案