电子商务下，物流系统的信息化必将提高整个物流系统的运作效率，从而提高整个电子商务企业的运作效率。
参考答案：对
和你使用的数学课本封面的面积最接近的是[ ]
A.3平方分米
B. 0.5平方米
C.10平方厘米
用所给动词的适当形式填空
1. Sweet music will enable you to feel _____ (relax) after a day's hard work.
2. What shall I take with me if someone _____ (invite) me to dinner?
3. Often we just walk around the town centre, _____ (see) the beautiful scenery as much as possible.
4. Children usually do something _____ (interest) together on weekends.
5.In modern times, people prefer _____ (be) on time.
