问题 单项选择题

下 * * 种元素,按照金属的活动性由强到弱的顺序,排列正确的是()?

A.Fe、Zn、Cu

B.Cu、Fe、Zn

C.Fe、Cu、Zn

D.Zn、Fe、Cu

答案

参考答案:D

多项选择题
完形填空
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(抱怨)
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 unde stand?""I see.”said the beggar."Then you should 44 !It's obvious that your wallet is a(n) 45 one,so don't to it too heavily,”said the Goddess Fortune.
The excited beggar could hardly  46  to have gold He quickly opened his wallet, anc
 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 . "A 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 reque teD.“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 came dust, The greedy beggar had nowto 55 but his broken bag.
小题1:
A.showingB.explainingC.provingD.wondering
小题2:
A.relaxedB.satisfiedC.worriedD.depressed
小题3:
A.learnB.watchC.eatD.play
小题4:
A.streetB.bridgeC.yardD.forest
小题5:
A.praiseB.forgiveC.helpD.comfort
小题6:
A.coatB.pocketC.boxD.wallet
小题7:
A.occasionB.suggestionC.situationD.condition
小题8:
A.handB.feetC.groundD.corner
小题9:
A.look outB.look afterC.look upD.look down
小题10:
A.largeB.emptyC.wornD.full
小题11:
A.standB.waitC.breatheD.think
小题12:
A.streamB.pieceC.pairD.variety
小题13:
A.disturbB.requestC.fearD.insist
小题14:
A.spreadB.closeC.looseD.shake
小题15:
A.pourB.endC.dryD.melt
小题16:
A.takeB.addC.lendD.send
小题17:
A.flowB.burstC.disappearD.change
小题18:
A.attractB.permitC.includeD.hold
小题19:
A.presentB.foodC.treasureD.metal
小题20:
A.nothingB.anythingC.everythingD.something