Question

Have you ever seen a horse with toes? Millions of years ago, horses had many toes. They had four toes on each front foot. They had three toes on each back foot. The horses were smaller than cats.

These small horses lived in the forest. Their many toes helped the horses run over the soft wet ground.

It was very hot in the forest. But the weather changed. It became cold. Many trees couldn’t live in cold weather. The trees died and fell. Forests became open field. The sun made the ground dry and hard. Horses began to change too. They began to get bigger. This took a long time. On the dry hard land, horses needed only their middle toes for running. At last their middle toes became hard.

1.Long ago, the horse had four toes on each of its __________.

A. back feet B. front feet C. right feet D. left feet

2.The cats were __________ the horses at that time.

A. as big as B. smaller than C. bigger than D. as small as

3.When the weather changed, __________.

A. many trees grew well in cold weather

B. animals began to change too

C. cats were older than the horses

D. horses were the same as they are

 

Answer 1

1.B

2.C

3.B

【解析】

試題分析：短文大意：你見過馬腳趾嗎？數(shù)百萬年前，馬有許多腳趾。他們的每只前腳有四個(gè)腳趾，他們的每只后腳各有三趾。那時(shí)的馬比貓小。這些小馬住在非常炎熱的森林中。但天氣發(fā)生變化，開始變冷。許多樹死亡了。森林變成了開放的領(lǐng)域。太陽使地面干硬。馬也開始變化了。他們開始變得越來越大。。在干硬的土地，馬匹需要他們的中趾運(yùn)行。最后他們的中趾變硬了。

1.

2.

3.

考點(diǎn)：歷史類閱讀。