_ 小题1:__ People use money to buy food, f

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问题:

_ 小题1:__ People use money to buy food, furniture, books, bicycles and hundreds of other things they need or want. When they work, they usually get paid in money.

Most of the money today is made of metal or paper. __小题2:__ One of the first kinds of money was shells.

Shells were not the only things used as money. In China,cloth and knives were used. In the Philippine Islands,rice was used as money for a long time. Elephant tusks,monkey tails and salt were used as money in parts of Africa.

The first metal coins were made in China. They were round and had a square hole in the centre. __小题3:__

Different countries have used different metals and designs for their money. __小题4:__ Sweden and Russia used copper to make their money. Later some countries began to make coins of gold and silver.

But even gold and silver were inconvenient if you had to buy something expensive. Again the Chinese thought of a way to improve money. __小题5:__ The first paper money looked more like a note from one person to another than the paper money used today.   

Money has had an interesting history from the days of shell money until today.

A.The first coins in England were made of tin(锡).

B.But people used to use all kinds of things as money.

C.No one knows for certain when people began to use money.

D.People strung(串连) them together and carried them from place to place.E. Money, as we know,is all made of paper.                               

F. They began to use paper money.

G. Today anyone will accept money in exchange for goods and services.

考点:序数词
题型:阅读理解

严重甲状腺疾病症状不包括

A.颈部有压迫症状

B.心悸、出汗、食欲增进

C.食欲减退、水肿、乏力疲惫

D.易激动、失眠

E.颈部活动受限

题型:阅读理解

某商场举行抽奖大酬宾活动,从装有编号为0,1,2,3四个大小相同的小球的抽奖箱中同时摸出两个小球,两个小球号码之和为质数的中三等奖,号码之和为合数的中二等奖,号码之和既不是质数也不是合数的中一等奖.

(Ⅰ)求某顾客中三等奖的概率;

(Ⅱ)求某顾客至少中二等奖的概率.

题型:阅读理解

下列关于I/O设备的分配方式叙述不正确的是______。

A.I/O设备的分配方式有安全分配方式和不安全分配方式两种

B.安全分配方式时,进程发出I/O请求后就进入阻塞状态,直到其他I/O操作结束才被唤醒

C.不安全分配方式时,进程发出I/O请求后,程序仍能够运行,但不能发出其他I/O请求,申请到的设备一旦用完就立即释放。

D.Windows 98采用了安全分配方式

题型:阅读理解

精神分裂症病人的阳性症状()

A.脑脊液中5-HT的代谢产物五羟吲哚乙酸(5-HIAA.浓度降低

B.多巴胺功能亢进

C.脑脊液中5-HT的代谢产物五羟吲哚乙酸(5-HIAA.浓度升高

D.多巴胺功能减退

E.5-HT功能亢进和DA功能减退

题型:阅读理解

实现育种目标的基本途径可以概括为三个字:“()”。

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