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

题型:选择题

问题:

下列物质不能用复分解反应制取的是(  )

A.Fe

B.CaSO4

C.HNO3

D.Ca(OH)2

考点:复分解反应
题型:选择题

利用试块法校正探伤灵敏度的优点是:()

A.校正方法简单

B.对大于3N和小于3N的锻件都适用

C.可以克报探伤面形状对灵敏度的影响

D.不必考虑材质差异

题型:选择题
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.explainingC.provingD.wondering
小题2:
A.relaxed B.satisfiedC.worriedD.depressed
小题3:
A.learn B.watchC.eatD.play
小题4:
A.street B.bridgeC.yard D.forest
小题5:
A.praise B.forgiveC.help D.comfort
小题6:
A.coatB.pocketC.boxD.wallet
小题7:
A.occasionB.suggestionC.situationD.condition
小题8:
A.handB.feet C.groundD.street
小题9:
A.look outB.look afterC.look upD.look down
小题10:
A.small B.emptyC.worn    D.full
小题11:
A.stand B.wait C.breathe D.think
小题12:
A.stream B.pieceC.pair D.variety
小题13:
A.stopB.requestC.fear D.insist
小题14:
A.spread B.closeC.loose   D.shake
小题15:
A.pour    B.endC.dryD.bury
小题16:
A.take  B.addC.lend D.send
小题17:
A.flowB.breakC.disappear D.change
小题18:
A.attractB.permitC.include D.hold
小题19:
A.wallet  B.food C.gold   D.bag
小题20:
A.nothingB.anything C.everythingD.something
题型:选择题


(病例串型最佳选择题,1-4题共用题干)

女性,58岁,进行性吞咽困难2年,持续胸背痛3月

食道癌术后行放射治疗,血小板90×109/L,此时决定治疗是否停止的指标是白细胞计数低于

A.1×109/L

B.2×109/L

C.3×109/L

D.4×109/L

E.5×109/L

题型:选择题

食品营养强化主要目的是解决天然食物存在的营养素数量不足问题。( )

题型:选择题

腹泻患儿,补液后排尿,输液瓶中有余液220mL,最多可加10%氯化钾注射液多少毫升()。

A.4mL

B.5mL

C.9mL

D.6mL

E.7mL

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