閱讀短文，然后從方框中選出可以填人空白處的 單詞。

from, accurate, represent ， abacus ， was Calculating machines

One of the first calculating machines 1 an  abacus. Abacuses are so fast and 2 that people still use them to?day. On the 3 ,  the beads on the wires 4 ones, tens, hundreds and thousands, starting 5 the  bottom wires

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用所給單詞的適當(dāng)形式填空，未提供單詞的根據(jù)上下文 填入一個適當(dāng)?shù)脑~。

The world's first bicycle was invented by a  Frenchman in 1790. So far, people have made bicycles 16 over 220

years.Once (―......就)people started making bikes, 17

didn't take long for them to want to race  each other. The first recorded bicycle race was held on May 31 ， 1868 in Paris.The 1.2km race was won by an Englishman named James  Moore 18 a wooden bike.

After that, people's interest 19 bicycle  racing grew rapidly. Bicycle races became more and more popular. So it was 20 (  nature) that bike racing was included as one of the 21 (event) in the first  modern Olympic Games.

 



During this period track cycling became very  popular 22 in the United States and Europe.Cycling competitions (比賽)that attracted (吸引)large numbers of crowds  were held in venues,such 23 Madison Square Ganh'i).

In Europe,road racing attracted the  atlrnlion of cyclists and sports lovers as well ， and it  was around this time that grand and impressive city-to-city races were started.  The 24 (one)Tour de France(環(huán)法自行車賽）was held in 1903. It  later became 25 most import an I hicycle race in the world.

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