一级导线测角应满足相应的精度要求，测角中误差应控制在（）以下。（） A.±10" B
题型：单项选择题
问题：
一级导线测角应满足相应的精度要求，测角中误差应控制在（）以下。（）
A.±10"
B.±2"
C.±l"
D.±5"
题型：单项选择题
Read and write. （根据所给图片提示，把短文补充完整）
Look, this is my family. My father is a 1.________
My grandpa is a 2.________
My mother is a 3.________
.And I am a 4.________
player. We are very happy.
