单交种
参考答案:
两个自交系组配形成的杂交种。
完形填空。
I have a big family. There are 1. _ people (人) in 2. _ family. They are my father, my
mother, my grandparents, my brother and me. I'm nine years. My brother is 2 years older than
me. He is 3. now. We are in the same school. We usually get up at seven 4. (整).
We have a school bus. Every day we 5._ 6. school by 7. . And we don't go
to school in the moming. We 8. 9. . at school at 12:00 o'clock. We go home at 5:00
o'clock after school.
工程测量记录是在施工过程中形成的满足设计要求和规范规定的资料流程,包括( )。
A.工程定位测量记录文件
B.施工测量放线报验表
C.基槽及各层测量放线记录文件
D.工程竣工测量记录
E.沉降观测记录文件