I did my homework at home yesterday． Ididn't domy homework at home yesterday．题目和参考答案——青夏教育精英家教网—

题目内容

8．I did my homework at home yesterday．（改为否定句） Ididn't domy homework at home yesterday．

分析我昨天在家做作业．
我昨天没有在家做作业．

解答答案：didn't do．这里是一般过去时，借助于did构成否定，后加动词原形do，故答案是didn't do．

点评含有be动词，情态动词或者助动词have/has的句子转化成否定时在其后面加上not，一般实意动词的否定式，通常应根据不同时态和人称在实意动词之前加don't，doesn't，didn't等．

练习册系列答案

	A．	Thanks a lot		B．	You are welcome．
	C．	That sounds boring		D．	Sorry，Miss Li．I won't

1．A college graduate（毕业生）from Shanxi named Wu Jun created a 9-page"WeChat guide"．With drawings and simple words，the step-by-step guide explains how to send messages，take pictures and make video calls．Wu made the guide for her parents．"My parents are getting old．They need an easy way to learn how to use technology，she said．
Wu's experiences is common nowadays．Worldwide，40 percent of parents learn about new technologies，including computers，mobile Internet，and social media（媒体），from their children，according to a study．
Parents used to teach their kids about almost everything．Now for the first time，the teachers become the students，while the students turn into the teachers．
The change of the roles comes from the rapid development of society tea and technology，says Zhou Xiaohong，a professor（教授）from Nanjing University．Zhou said the Internet and other forms of media give children ways to get information besides from asking older generations（辈）．As a result，in the age of information，it's possible that children know more than their parents do．
It's reported that 56.7 percent of Internet user and 67.2 percent of social media users in China are under the age of 30．The young generation usually acts as a link（桥梁）between their families and the new environment．When they teach their parents new technologies，parents can connect to the new world by themselves．
In Wu's eyes，teaching her parents about WeChat bring her closer to her parents．"People can communicate more by using new technology．Why should we keep our parents out？"said Wu．
51．Wu's 9-page"WeChat guide"made itB for her parents to learn the new technology．
A．harder
B．simple
C．slower
52．What has caused the change of the roles about teaching in the family？A
A．The rapid development of society and technology．
B．The growing numbers of old people．
C．The unscientific design（设计）of new technology．
53．Why is it possible that children know more than their parents do？B
A．Because children have better memories．
B．Because children have more ways to get information．
C．Because their parents refuse to accept new things．
54．What does Wu think of the phenomenon（现象）that kid's teach parents？C
A．There is no need for parents to learn new technology．
B．Parents are supposed to learn new technology by themselves．
C．Children should teach their parents new technology to make communication convenient．
55．We can infer（推断）from the passage thatA．
A．it's never too old to learn
B．all's well that ends well
C．a good beginning is half done．

16．-What do youthink of（认为）our town？
-It's really beautiful now．

3．Maria usually does somewashing（wash） after school．

13．在你的生日聚会上，你许愿了吗？（翻译句子）
Did youmakeawishat your birthday party？

20．Reading an English newspaper is a good way to improve a student's language ability（能力）．As there are many useful and common words in an English newspaper，it may help students know more English words and improve their reading skills．They can get new knowledge from newspapers．But what is the proper way to read an English newspaper？
The first is to choose a right newspaper with good language．Then turn to the front page and read the headlines（标题）to know what has happened．Because the most important things are on the page，it's easy to find out what you are interested in and then turn to the page to read it．There is no need to go through all the articles．
Second，read newspapers every day．Remember words through context （上下文）．Don't look up every unknown word in your dictionary．You can try to guess the meaning between sentences．Don't give up if your guess is wrong．Keep reading，and you'll know the words after reading them several times in different texts．
Reading English newspapers makes us knowledgeable （有学问的）．It can help us know what is happening in the world and improve our English at the same time．
66 题完成句子； 67-68题简略回答问题，69题找出并写出全文的主题句，70题将文中划线句子译成汉语．
66．There aretwo/2proper ways to read a newspaper according to the passage．
67．Where are the most important things on the newspaper？On the front page．
68．If you don't know the words in the newspaper，what should you do？We/I should try to guess the meaning between sentences．
69．Reading an English newspaper is a good way to improve a student's language ability．
70．它能够帮助我们了解世界上正在发生什么，同时能提高我们的英语水平．．

17．are，to，you，school，what，going，do，after
What are you going to do after school？．

18．When was the last time you saw three men running down a forest trail（小径）in the rain wearing flip-flops（拖鞋）？That's what my friend Brandon，Josh and I were doing last autumn．We were looking for a waterfall（瀑布）．We didn't have much time to get to the waterfall and back，so we were running．We were wearing flip-flops to prevent our shoes getting dirty．
It was raining，but lightly．It kept us cool as we climbed over giant stones and through a shallow（浅的）stream．We followed red arrows（箭头）and crossed that stream several times，walking on toward the promised waterfall．Time was not on our side，however，and we were forced to turn around．As we started back，we looked at the shallow stream we had just crossed．Where did this rushing river come from？That was when we realized a flash flood was around!
In the few minutes the water rose at a fast speed．Now there were no big stones tobe seen-only what looked like lumps（隆起）covered with rushing water．We had no choice but to move our way back carefully in the rushing water-in flip-flops．We had crossed the stream not once or twice，but six times in search of a waterfall that we never even reached!
With most of the crossings，we needed each other's help if we didn't want to be washed away by water．Wet all over，we felt relaxed after we made the last crossing．
"My dad always told me to keep off a river when travelling in the rain．"Josh said as we hurried back down the path．
"Why didn't you tell us that earlier？"I laughed．
"Would it have made a difference？"came the reply．
He had a point．

26．Why were there no big stones to be seen in the stream when they came back？C
A．The big stones were moved away by someone else．
B．They were running too fast to notice the big stones．
C．The big stones were covered with rushing water．
D．The big stones were washed away by rushing water．
27．Why didn't they find the waterfall in the end？D
A．Because they were short of time．
B．Because they were wearing flip-flops．
C．Because Josh kept warning them not to go any further．
D．Because the flood prevented them from going forward．
28．We can infer（推断）from the passage that the writer and his friendsA．
A．were crazy about outdoor activities
B．made full preparations before the trip
C．crossed rushing water easily in the end
D．had much experience in travelling in the rain．

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