内容正文:
Unit 6 When was it invented.Self Check
一、完形填空。
The machine starts,and its music fills the air.The horses slowly begin to move.Riders are quite __1__ as their colorful horses go up and down and around and around.These riders are on a merrygoround (旋转木马).
Merrygorounds have a long history.In the 1400s soldiers (士兵) in Europe liked to play a ball game on horseback.__2__ had to throw and catch the ball while their horses were moving.So the soldiers __3__ a way to help practice for the game.
This invention was probably the first merrygoround.It was different __4__ modern ones.Instead of motors (发动机) today,some real __5__ turned it.
Years later,people began using merrygorounds for fun.Workers __6__ the merrygoround horses with bright colors.Some horses had flowers around their necks,__7__ some had a wild look in their shiny glass eyes.No two horses were the __8__.
One of the oldest rides in the US is in Massachusetts.It is called the Flying Horses.It was built around 1880.Riders on it can have some special __9__.As it moves,riders try to catch rings from a post (杆) on the wall.The person who gets the most rings is the __10__.The reward (奖赏) is a free ride.
( )1.A.worried B.excited C.surprised D.sad
( )2.A.You B.We C.They D.Them
( )3.A.imagined B.described C.invented D.answered
( )4.A.of B.in C.on D.from
( )5.A.machines B.horses C.humans D.children
( )6.A.painted B.mixed C.filled D.played
( )7.A.if B.and C.so D.when
( )8.A.same B.only C.best D.bad
( )9.A.rest B.help C.fun D.wish
( )10.A.loser B.rider C.horse D.winner
二、阅读理解。
A
The earth is 4.5 billion years old,but the human race has lived on it for just 200,000 years.In that short time,we have achieved some amazing things.
11._______ The list is almost endless.The invention of the airplane has changed our lives.The discovery of antibiotics (抗生素) has