摘要:Algebra 代数 Algebra一词是古代阿拉伯人从他们的医学术语al jebr中得到的启示.从而为数学部分支--代数.创造了一个生动的短语ilm al-jebr wa'l-muqabalah.意思是“利用方程式进行简化运算 .意大利人将这个短语来了个掐头去尾.把中间的词变化为algebra.不过.这个词直到17世纪还保留着“正骨 .“接肢 的原始词义呢.

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Cloze test

  My friend Bruce lives next door to us.He isn’t tall but likes to do   1  .He’s good at running and playing basketball,   2   he is stronger than us all.

  In summer Bruce goes to see his grandpa.The old man lives on a farm.He likes   3   and has three dogs, two cats and a horse.

  Bruce wants to   4   to ride a horse.He asks his grandpa to   5   him.The old man agrees(同意).At first he rides carefully and soon he enjoys   6   there.

  One afternoon the boy rides the horse   7  .When he walks by a horse, a big dog runs out.The horse is   8   and begins to run away quickly.Bruce falls down and hurts(摔伤)his leg.The horse   9   him to a tree and then runs to send for a doctor.

  “What a   10   horse!” I say after my friend tells me about it.

  ”I don’t think so.” says the boy.”It comes back with a veterinarian.(兽医)!”

(1)

[  ]

A.

washing

B.

homework

C.

housework

D.

sports

(2)

[  ]

A.

but

B.

or

C.

so

D.

and

(3)

[  ]

A.

vegetables

B.

books

C.

birds

D.

animals

(4)

[  ]

A.

learn

B.

turn

C.

stop

D.

begin

(5)

[  ]

A.

show

B.

leave

C.

tell

D.

teach

(6)

[  ]

A.

herself

B.

himself

C.

her

D.

him

(7)

[  ]

A.

easily

B.

along

C.

alone

D.

early

(8)

[  ]

A.

afraid

B.

tired

C.

hungry

D.

happy

(9)

[  ]

A.

carries

B.

takes

C.

brings

D.

puts

(10)

[  ]

A.

quick

B.

clever

C.

free

D.

poor

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