1、8B Unit3 Reading1 习题含答案习题含答案 一. 单项选择 1.Come here. There _ a lot of fish here. A. is B. was C. are D. were 2. Ill put a cross here, so well know _ next time. A. how can do it B. what to do it C. when shall we come D. where to come 3.Blind people used dogs _. A. for guide them B. to guide them C. for
2、catching mice D. to pull carriages 4.Farmers use _ to catch mice. A. dogs B. horses C. birds D. cats 5.Wang Damin usually catches fish _ cormorants. A. with B. by C. at D. for 二. 阅读选择 Long,long ago there was no zero. To write the number sixty-three people wrote 63.To write six hundred and three, peo
3、ple wrote 63.The space between six and three was there to mean “not any tens”. Sometimes people did not remember the space.It was hard to see and read. Later people used a dot to hold the space. Six hundred and three looked like this 6.3. But the dot was hard to see.So people put a circle around it
4、like this 6 3.Then people could see the dot.They remembered the space.At last,only the circle around the dot was used.It was like a zero.This is one story of how the zero came to be used. Now zero has many important uses. Zero tells how many. Can you tell some other ways of using zero? ( )6.Long,lon
5、g ago people didnt know how to _. A.write B.write zero C.write numbers D,sixty-three ( )7.Long,long ago if they wrote two hundred and eight, people wrote _. A.28 B.2 8 C.228 D.208 ( )8.Later_was used to mean space. A.“not any” B.letter“o” C.zero D.a dot ( )9.People used circles_. A.to remember ways B.to remember numbers C.not to forget the space D.to mean nothing ( )10.The story tells us_. A.how zero came to be used B.how to write zero C.whats the use of zero D.that zero means a dot,a circle or space 答案： 1-5 CDBDA 6-10 BBDCA
