题目内容
20．The baseball is on the bed．（改为否定句）The baseballisn't on the bed．
分析 --棒球在床上．
--棒球不在床上．
解答 答案：isn't．考查否定句．含有be动词is的句子，变否定句在is后加not，缩写为isn't不是．答案是isn't．
点评 考查否定句．通常是在be动词，情态动词后加not．一般现在时态，主语不是第三人称单数用don't，主语是第三人称单数用doesn't．一般过去时态用didn't．还有其它用法需要牢记．
练习册系列答案
相关题目
11．One million，two hundred thousand and twenty-six means _______．（ ）
| A． | 102，000，206 | B． | 1，200，026 | C． | 10，002，026 | D． | 1，200，260 |
8．--Could you tell me _________？
--By searching the Internet．（ ）
--By searching the Internet．（ ）
| A． | how you know the new word | B． | how do you know the new word | ||
| C． | how you knew the new word | D． | how did you know the new word |
12．One morning，a blind boy sat on the steps of a building with a hat by his feet．He held a sign which said，"I am blind．Please help me．"（41）B
A man was walking by．He took out a few coins from his pocket and dropped them into the hat．He then took the sign，turned it around，and wrote some words on it．He put the sign back so that everyone who walked by could see the new words．Soon the hat began to fill up．（42）F
That afternoon the man who had changed the sign came to see how things were．The boy recognized （认出） his footsteps and ask，"（43）A What did you write？"
The man said，"I only wrote the truth．I said what you said，but in a different way．"
What he had written was，"Today is a beautiful day，but I can't see it．"
Do you think the first sign and the second sign were saying the same thing？
（44）D But the first sign simply told people to help by putting some money in the hat．The second sign told people that they were able to enjoy the beauty of the day，but the boy could not enjoy it because he was blind．
The first sign simply said the boy was blind，while the second sign told people they were so lucky that they were not blind．
（45）CThe first is：Treasure （珍惜） what you have．Someone else has less．Try your best to help those who need your help．
The second is：Be creative．Think differently．There is always a better way．
A man was walking by．He took out a few coins from his pocket and dropped them into the hat．He then took the sign，turned it around，and wrote some words on it．He put the sign back so that everyone who walked by could see the new words．Soon the hat began to fill up．（42）F
That afternoon the man who had changed the sign came to see how things were．The boy recognized （认出） his footsteps and ask，"（43）A What did you write？"
The man said，"I only wrote the truth．I said what you said，but in a different way．"
What he had written was，"Today is a beautiful day，but I can't see it．"
Do you think the first sign and the second sign were saying the same thing？
（44）D But the first sign simply told people to help by putting some money in the hat．The second sign told people that they were able to enjoy the beauty of the day，but the boy could not enjoy it because he was blind．
The first sign simply said the boy was blind，while the second sign told people they were so lucky that they were not blind．
（45）CThe first is：Treasure （珍惜） what you have．Someone else has less．Try your best to help those who need your help．
The second is：Be creative．Think differently．There is always a better way．
| A．Are you the one who changed my sign in the morning？ B．There were only a few coins in the hat． C．There are at least two lessons we can learn from this simple story． D．Of course both signs told people the boy was blind． E．Try your best to help those who need your help． F．A lot more people were giving money to the blind boy． |
假设你是李明，Peter是你的英国网友．他对目前中国多个城市出现的雾霾天气很关注（concern），来信向你询问此事．请你给他写封回信．要点如下：
10．-How much is the white coat？
-It's_____yuan．（ ）
-It's_____yuan．（ ）
| A． | one thousand，six hundred，eighty eight | |
| B． | one thousand and six hundred and eighty-eight | |
| C． | one thousand，six hundred and eighty-eight |