尽管逆向物流主要是指物资的逆向流动,但同时又伴随着信息流、资金流、价值流和商流,它与常规物流(正向物流)无缝对接而成为整个物流系统的有机组成部分。
参考答案:对
阅读下列短文,根据短文内容选择最佳答案。
Daniel is a middle school student. He is very busy at his new school. Here is his school life table. Read
it carefully and answer some questions.
1. Daniel goes to school _____ at 7:30 a.m.
A. on foot
B. by bus
C. by car
D. by bike
2. When does he do morning exercises?
A. At 7:30 a.m.
B. At 6:00 a.m.
C. At 8:40 a.m.
D. At 8:00 a.m.
3. What does he do at 1:30p.m.?
A. He has lunch.
B. He chats with his classmates.
C. He has lessons.
D. He sleeps in class.
4. —How does Daniel go home?
—He goes home _____.
C. with his parents
D. with his classmates
5. —Who does he watch TV with?
—He watches TV with _____.
A. his friends
B. his father
C. his cousin.
D. his mother
图是A,B两种物质熔化时的温度-时间图像, 其中 ___ 物质是晶体,它的熔点是 _______℃,在第8min时,这种晶体处于 ________状态。