阅读下面短文，选择方框里A—E五个句子，分别填入文中空缺处，使补全后的短文意思通顺，结构完整。（5分）
One day, a teacher was giving a speech to his student. He held up a glass of water and asked the class, “【小题1】”
The students’ answers ranged from 20g to 500g.
“【小题2】 It depends on how long you hold it. If I hold it for a minute. It is OK. If I hold it for an hour, 【小题3】 If I hold it for a day, you will have to call an ambulance（救护车）. It is exactly the same weight, but the longer I hold it, the heavier it bees.”
“If we carry our burdens（负担）all the time, sooner or later, we will not be able to carry on, the burden being increasingly heavier.”
“What you have to do is to put the glass down, 【小题4】”
We have to put down the burden sometimes, so that we can be able to carry on.
So before you return home tonight, put the burden of work down.【小题5】You can pick it up tomorrow.
Whatever burdens you’re having on your shoulders, let it down for a moment if you can.
A．I will have an ache in my right arm.
B．How heavy do you think this glass of water is?
C．rest for a while before holding it up again.
D．It does not matter on the weight itself.
E．Don’t carry it back home.
B
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(答案→)B
解析：这篇短文用老师举得一个小例子说明了释放重担与享受生命的问题，告诉我们该放下的时候就放下，生命是短暂的，我们应该及时的享受生命。
【小题1】联系下文The students’ answers ranged from 20g to 500g.可知老师问的是这杯水的重量，故选B，你们认为这倍数有多重？
【小题2】根据下文描述可知选D，它与他本身多重无关。
【小题3】联系上文If I hold it for an hour,可知胳膊会疼，故选A，我的右臂会疼。
【小题4】联系上文描述可知是让你休息一下，故选C，在你再次把他举起来之前休息一下。
【小题5】联系上下文可知意思是不要把学习的负担带回家，故选E，不要把它带回家。