Many students have classes at weekends．Many studentsdon'thave classes at weekends．题目和参考答案——青夏教育精英家教网—

题目内容

2．Many students have classes at weekends．（改为否定句）
Many studentsdon'thave classes at weekends．

分析许多学生周末上课．
许多学生周末不上课．

解答答案：don't have．原句是一般现在时，have是实意动词，主语是many students许多学生，是复数，故借助于助动词do后加上not构成don't，后加原形have，故答案是don't have．

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

12．-Don't forget to return the book to the library．You have ____ it for two weeks．
-OK．（　　）

10．Speak slowly，Mr．Wang．I can't follow you．（　　）

17．I have threeaunts．（划线提问）
Howmany aunts do you have？

7．Lisa works for London Language School．（改为否定句）
Lisadoesn'twork for London Language School．

14．Dongfeng Road in Yuxi is always very busy．（　　）

11．My father has been in Shanghai since 1998．（对划线部分提问）
Howlonghas your father been in Shanghai？

10．One day，the Earth was very sick．He felt so bad that an earthquake happened．After the earthquake，it rained every day．
His friend，the moon，came to see him．She had a look at her friend and said，"Look!Your skin should be the blue sea and green land，but it is turning yellow now…"
"It is the desert，"the Earth said．
The moon began to look at him carefully．She saw that many people were cutting
down trees near the desert．
"I'll make these trees into chairs and beds．I'm going to get married in a few days．"a young man said happily．
"I want to make a wonderful piece of arts with this tree．"an artist said．
"I'm too poor and have a big family．I need to sell these trees for a living．"an old man said while cutting down the small trees．
At that moment，a train came with big machines．A group of men got off the train．They began to cut the trees with the machines quickly．Soon，all the trees disappeared and the train took them away．
The Earth began to cry．The moon could do nothing but to comfort（安慰）him．The desert laughed and laughed…
根据短文内容，从A、B、C、D四个选项中选择正确答案，并将其字母代号在答题卡相应位置上填涂．
56．The Earth once wasA．
A．very beautiful
B．covered with only water
C．very old
D．covered with desert
57．Why is the Earth turning yellow？C
A．Because it rains every day
B．Because an earthquake happens
C．Because a lot of trees are cut down by people
D．Because the Earth is very sick
58．The skin of the Earth must beD．
A．yellow and red      B．the blue sea      C．green land     D．both B and C
59．The young man wants toC．
A．sell the trees
B．turn the Earth into desert
C．make the trees into chairs and beds
D．make the tree into a wonderful piece of art
60．Which of the following is the best title for the passage？B
A．The Earth and the Moon
B．The Earth Cried
C．The Trees Disappeared
D．The Desert Laughed．

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