问题
问答题 简答题
国外引进种子、苗木必须集中隔离试种。隔离试种应符合哪些条件？
答案
参考答案：
（一）引进种、苗不得直接试种于当地同类作物的集中种植带；
（二）不得直接把引进材料引入良种繁育体系；
（三）集中种植，定期观察，及时处理。
搜题请搜索小程序“爱下问搜题”
国外引进种子、苗木必须集中隔离试种。隔离试种应符合哪些条件？
参考答案：
（一）引进种、苗不得直接试种于当地同类作物的集中种植带；
（二）不得直接把引进材料引入良种繁育体系；
（三）集中种植，定期观察，及时处理。
| 完形填空。 | ||||
| Dick Smith, 1 18 -year-old boy, thinks that the most important people in his 2 are his friends. 3 fact may people like Dick Smith think that their family members (成员) and even their 4 don't know them as well 5 their friends do. In large families, we have already found that brothers and sisters can not get on 6 with each other. It is very important for young people 7 one good friend or a group of friends. They are nearly at the same age and 8 up together. They usually spend a lot of time on the phone. 9 is very important in children's growing up. Because friends can discuss something difficult to say in their families. However some parents often try to choose their children's friends for them. Some parents even stop their children from 10 their good friends. | ||||
|