整修电缆时，应先确认电缆金属外皮（全塑电缆除外）与电缆（）连接牢固，接触良好，同沟内数条电缆金属外皮焊接良好，方准开始作业。
参考答案：屏蔽地线
根据短文内容，判断对（T）错（F）
Look! I’m Mona. That is a schoolbag. It’s red. It’s not mine. It’s my sister’s. What’s in the schoolbag? A ruler is in the schoolbag. But it’s my ruler. The ruler is blue. This is a pencil. It’s black and white. It’s not my pencil. It is my sister’s. A photo is in the schoolbag, too. Lucy Brown is in the photo. She is my sister’s friend. She is in red. 13858987860 is her telephone number.
小题1:Mona’s schoolbag is red.
小题2:A ruler is in Mona’s sister’s schoolbag and it is black and white.
小题3:Mona’s sister’s pencil is blue.
小题4:Brown is Lucy’s family name.
小题5:Mona’s sister and Mona can call Lucy at 13858987860.
基本型号P代表的是（）
A、平车
B、棚车
C、长大货物车
D、铸锭车
