问题
选择题
下列说法正确的是 （ ）
A．煤的干馏、石油的分馏都是化学变化
B．溶于汽油、酒精等有机溶剂中的物质一定是有机物
C．除去试管内壁上的“银镜”，可用稀氨水洗涤
D．淀粉和纤维素的组成都是(C6H10O5)n，水解最终产物都是葡萄糖
答案
答案：D
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下列说法正确的是 （ ）
A．煤的干馏、石油的分馏都是化学变化
B．溶于汽油、酒精等有机溶剂中的物质一定是有机物
C．除去试管内壁上的“银镜”，可用稀氨水洗涤
D．淀粉和纤维素的组成都是(C6H10O5)n，水解最终产物都是葡萄糖
答案：D
The following story took place long ago in Israel．One day when government officials were rebuilding barn(粮仓)，they found a mouse hole in a corner and used to force the mice inside the hole to come out．A while later they indeed saw mice running out，one after another． Then，everyone thought that all the mice had ．But just as they were about to clean up，they saw two mice squeezing out at the of the hole．After some the mice finally got out． ，they did not run away immediately．Instead，one chased after the other．It seemed that one was trying to the tail of the other． Everyone was ，so they stepped closer to take a look．They that one of the mice was blind，and the other one was trying to the blind mouse to bite on his tail so he could the blind one with him to escape． After what happened，everyone was lost in thought．One serious Rome official said："I think the relationship between those two mice was that of emperor and ．" The others thought for a while and said：“That was why！” A smart Israeli said："I think the relationship was husband and wife．"Again the others thought for a while，and all felt it made ；so they agreed．Therefore，the Israeli’s expression showed ． A Chinese，who was accustomed to the firm tradition of to parents，said："I think their relationship was that of mother and ．"Once again the others thought for a while，and felt this was more reasonable．So they agreed yet another time．Therefore，the face of the Chinese professional modesty． At that moment，one pureminded Samaritan looked at other people，and asked："Why did those two mice have to have a certain relationship？" Suddenly，the atmosphere ．The group looked back at the Samaritan and remained speechless．The Rome official，the Israeli and the Chinese who had spoken earlier all lowered their heads in ． In fact，the true love is not on benefit，friendship and loyalty or blood relationship．Instead，it is based on no relationship．
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