经过一个学期的紧张学习，孩子们进入了暑假阶段。在紧张学习后突然放松下来，有的孩子抵抗

甲企业是国内一家丝绸纺织企业，打算进军美国市场，由于当地关税壁垒较高，依靠出口的方式难以长久发展，于是打算投资当地一家棉纺织企业，该企业如果想实现内部化理论中的中间产品内部化，则需要考虑下列哪些因素的影响()

A、行业特有因素

B、地区特有因素

C、国家特有因素

D、企业特有因素

煤层自燃倾向性分为（）。

A、容易自燃

B、自燃

C、不易自燃

D、不自燃

主电动机通过齿轮联轴器驱动主动轮。

A Trip to the Forest

One day Bob took two of his friends into the mountains. They put up their tents(帐篷) and then rode off to a forest to see how the trees were growing.
In the afternoon when they were about ten kilometres from their camp(营地), it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp,and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp
Bob had an idea. The horses! Let the horses take them back! But what would happen if the horses took the road to his house That would be a trip of thirty-five kilometres in such cold weather!
It was getting late. They rode on and on. At last the horses stopped. Where were they None of them could tell. Bob looked around. What was that under the tree It was one of their tents!

It is clear that they wanted the horses to take them to the mountains.
[A] Right. [B] Wrong. [C] Doesn’t say.

含8%糖的牛奶100ml约供能量（）

A.80kcal

B.100kcal

C.120kcal

D.140kcal

E.160kcal