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【简答题】
Long ago there was no money. It was hard for people to get the things theyneeded. They couldn’t just go to a store. First they had to find someone whohad what they wanted. Then they had to give that person something he or shewanted. That’s how goods were traded. Trading means giving something to get something else. One farmer mighthave many apples, but no milk. Another farmer might have a lot of milk, but noapples. The first farmer gives the other farmer some apples. The other farmergives the first farmer some milk for the apples. Then both are glad. Trading goods was hard work. It took a lot of time. Soon someone thoughtof using money instead of goods. In the old days money could be anything.People have used shells, little rocks, gold, and silver as money. Later, coins were used as money. The first coins were made of gold andsilver. Now they are made out of many different metals. Money today is alsomade out of something that can be folded.It’s made out of paper. Today most of our money is bills. Most people do some kind of work to get money. With that money, they canbuy the things they want and need. This could be food, a car, or a trip. Theycan also save some. They would do this by putting it in a bank. Then they wouldhave it later on to pay for things like their children’s schooling. Money isvery important. 16.The passage mainly tells about money ’ s___. A)importance B)convenience C)function D)history 17.In a store today people can___. A)get something by giving something else B)give things to those who want them C)find those who need the goods D)get things by paying bills 18.Which of the following objects can bebent? A)Coins B)Shells C)Rocks D)Bills 19. “ They can also save some ” in the last paragraph means___. A)they can keep their goods from beingdamaged B)they can keep some goods they need C)they can keep money from getting rotten D)they can keep some money for later use 20.According to this passage, all of thefollowing statements are true EXCEPT that___. A) money is very important in trade B)with the development of trade moneyappeared C)today money can be made of paper or metals D)at first goods were traded with money
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A.
所有存储器由RAM和ROM组成
B.
ROM比RAM的存取速度快
C.
ROM是只读存储器,对它可进行信息的存取操作
D.
ROM是只读存储器,用来存储系统中关键的不允许丢失的控制程序和数据
E.
RAM是随机存储器,用于存储用户输入和与磁盘交换的程序和数据
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A.
100→RO
B.
100→MDR
C.
PC→MAR
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PC→IR
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生殖股神经的股支
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髂腹下神经
C.
髂腹股沟神经
D.
闭孔神经
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阴部神经
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A.
手部截止(PH)
B.
肩胛带截止(SD)
C.
足部截止(PF)
D.
髋关节离断(HP)
E.
踝关节离断(TT)
【单选题】通过腹股沟管的神经有
A.
髂腹股沟神经
B.
生殖股神经的股支
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髂腹下神经
D.
闭孔神经
E.
阴部神经
【单选题】—Happy New Year! — _____. [     ]
A.
I'm happy. too
B.
Thank you, the same to you
C.
Not at all
D.
I'm glad to hear that
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A.
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B.
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C.
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死亡率高
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难以预测
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发生率高
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与给药剂量无关
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常规毒理学筛选不能发现
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A.
待测溶液的浓度
B.
入射光波长
【单选题】下面有关局域网的简写,正确的是()
A.
LAN
B.
WAN
C.
3G
D.
WAP
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