Look and write. 看图写单词。
1. 2. 3. 4. 5.
1. glue 2. chairs 3. desk 4. apples 5. bag
连词成句。
1. for, lunch, are, ready, you (?)
_
2. there , breakfast, for , is, time , no (. )
3. it , is , time , what, now( ?)
4. library , we , clean , need , the , to (. )
5. TV , do, watch, you, to, want (?)
()作为计量检定的主体,在计量检定中发挥着重要的作用。
A.计量标准
B.主要配套仪器设备
C.计量检定人员
D.计量器具