配送是根据客户的要求,对物品进行拣选、加工、包装、分割、组配等作业,并按时送达指定地点的物流活动。
参考答案:对
Find the mistakes and correct them. 找出并改正句中的错误。
( ) 1. Here is nine apples.
A B C
( ) 2. She is laughing. She is sad.
( ) 3. You needs a bandage.
( ) 4. Jenny call the doctor.
( ) 5. My knee is bleed.
GK1C型机车用砂为石英砂,其中要求含石英()以上
A.70%
B.60%
C.50%
D.40%