评定仪表品质好坏的技术指标主要是看仪表最大绝对误差的大小。
参考答案:错
阅读短文,判断句子正误,正确的画“√”,错误的画“×”。
Mr. White
Mr. White looks young, but he is fifty-six. He has four children. A son is a doctor. The other two are
studying in England. The daughter is working with her father. Now, Mr. White works in a factory near here.
He thinks Chinese people are friendly and Chinese food is very good. He can speak a little Chinese. So he goes
to Chinese classes every day. He says Chinese isn't too easy. And he must study hard.
( ) 1. Mr. White is a young man.
( ) 2. Mr. White likes China because he likes Chinese people and food.
( ) 3. Mr. White speaks Chinese very well.
( ) 4. Chinese is hard to study.
( ) 5. He has three children.
形成管型的基础物质是 ()
A.球蛋白
B.T-H蛋白
C.黏蛋白
D.本-周蛋白
E.血红蛋白