分度号为()的热电偶在接线盒温度较低时,实际上不需要补偿导线。
A、K
B、B
C、E
D、J
参考答案:B
啄木鸟诊所,把有错误的选项选出来并在横线上更正。
( ) 1. Li Ming comes from Chinese.
A B C
( ) 2. Today is warm and rain.
( ) 3. I live in a apartment.
( ) 4. Mr. Wood sometime walks to school.
( ) 5. We speak chinese at home.
简述录音采访在广播采访中的地位和优势。