下列物质不能用复分解反应制取的是（ ） A．Fe B．CaSO4 C．HNO3

This is a story that can teach us a good lesson. One day, a man in rags begged from door to door along the street. With an old wallet in his hand, he was asking for a few coins to buy something to eat. He kept complaining about his bad fortune and kept __36__ why those who had so much money were never __37__ and were always desiring more.
“As far as I'm concerned, if I had only enough to ___38__ and to wear, I would not want anything more.”
Just at that moment Goddess Fortune, who came down the __39__ saw the beggar and said to him, “Hi, I have wished to __40__ you for a long time. Now, open your __41__ and I will pour my gold into it. But I will do that only on this __42__ : All that falls into the wallet will be pure gold; but every piece falling upon the __43__ shall become dust. Do you understand？”
“I see.” said the beggar.
“Then you should __44__ ！It's obvious that your wallet is a(an) __45__ one, so don't load it too heavily，” said the Goddess Fortune.
The excited beggar could hardly __46__ to have gold. He quickly opened his wallet, and a __47__ of yellow coins was poured into it. The wallet grew heavier and heavier.
“Is that enough? Isn't it cracking？” asked Fortune.
“Never __48__ .It's still strong enough now.”answered the beggar.
The wallet was filled with so many coins that the beggar's hands began to __49__. “Ah, if only the golden stream would __50__ forever! Just a little more，” said the beggar, “__51__ just a handful or two.”
“There! It's full. The wallet will __52__ .” warned the Goddess, but the beggar requested, “It will __53__ a little more, just a little more.”
One more piece was added and the wallet split. The __54__ fell upon the ground and became dust. The greedy beggar had now __55__ but his broken bag.

小题1:	A．showing B．explaining C．proving D．wondering

小题2:	A．relaxed B．satisfied C．worried D．depressed

小题3:	A．learn　 B．watch C．eat D．play

小题4:	A．street　 B．bridge C．yard D．forest

小题5:	A．praise　 B．forgive C．help D．comfort

小题6:	A．coat B．pocket C．box D．wallet

小题7:	A．occasion B．suggestion C．situation D．condition

小题8:	A．hand B．feet C．ground D．street

小题9:	A．look out B．look after C．look up D．look down

小题10:

A．small　 B．empty C．worn 　　　 D．full

小题11:

A．stand　 B．wait C．breathe　 D．think

小题12:

A．stream B．piece C．pair D．variety

小题13:

A．stop B．request C．fear D．insist

小题14:

A．spread B．close C．loose　　　 D．shake

小题15:

A．pour　　　 B．end C．dry D．bury

小题16:

A．take　　 B．add C．lend D．send

小题17:

A．flow B．break C．disappear　 D．change

小题18:

A．attract B．permit C．include　 D．hold

小题19:

A．wallet 　 B．food C．gold 　　 D．bag

小题20:

A．nothing B．anything C．everything D．something