化工设备装配图中,螺栓连接可简化画图,其中所用的符号是()。
A.细实线+
B.细实线×
C.粗实线+
D.粗实线一
参考答案:C
A Gold Cup for an Orange
There is a poor man. He has an orange tree. On the tree, there are many fine oranges. One of them is very, very big. It is as big as a football. Nobody sees so big an orange. The poor man is very happy. He takes it to the king(国王). The King is so pleased(高兴)that he gives the man a lot of money for it.
When a rich man hears of it, he says to himself, "It’s only an orange. Why does the king give so much money for it? I’ll take my gold cup to the king. He’ll give me more money".
The next day when the king receives (收到) the gold cup, he says to the rich man, "what a beautiful cup! I’ll show you something wonderful, please take this great orange away.
小题1:How many people are there in the story?
A.Four
B.Two
C.Three
D.Five小题2:The orange is__________
A.fine and big
B.fine and beautiful
C.good and fine
D.small小题3:The rich man takes his gold cup to the king for_______________
A.the orange
B.the orange tree
C.a football
D.money小题4:The orange is____________
A.a football
B.like a gold cup
C.like a football
D.like an egg小题5:The king receives the orange and the gold cup ___________
A.on the same day
B.the next day
C.every day
D.on different days
下列叙述中正确的是 [ ]
A、溶液是无色、透明、均一、稳定的混合物
B、硝酸铵溶于水形成溶液时,溶液温度升高
C、氯化钠溶液的沸点比纯水的沸点低
D、油脂溶解在汽油中,油脂是溶质,汽油是溶剂