Mary is a hardworking student．Maryworks hard at her lessons．题目和参考答案——青夏教育精英家教网—

题目内容

10．Mary is a hardworking student．（保持句意不变）
Maryworks hard at her lessons．

分析句意：玛丽是一个勤奋的学生．

解答答案：Mary works hard at her lessons．hardworking勤奋的，修饰名词student（学生），是动词短语work hard（努力工作/学习）的形容词形式，原句是一般现在时，主语为Mary，故用三单形式 works hard．

点评动词的三单形式在解题时务必注意，否则就容易出错．

练习册系列答案

1．-Could I use your bike，Tom？
-_________．Here is the key．（　　）

18．Shanghai is known as the shopping paradise．（　　）

5．--You look very cool today，Amy--________．（　　）

	A．	Thank you		B．	Oh，I don't look it
	C．	No．I am not cool at all		D．	The same to you

15．This is _____ air ticket to Canada．（　　）

2．The young men enjoy ______ pop music．（　　）

19．The trees can protect themselves by producing a chemical．（划线提问）
How can the trees protect themselves？

20．Read the passage and fill in the blanks with proper words （在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给）
People use their mobile phones to play music．You can listen to the radio on your mobile phone，download music onto it and use it like a MP3player．Some pop groups find that m（69）ore people listen to their songs on their mobile phones than they do on CDs．
Ringtones（铃声） are often used to tell you it's your phone．Companies s（70）ell them to you and they are downloaded on your phone．
At first，there were just different rings．They were like a normal（普通） telephone．Then people made them sound like a piece of music．Now you can get all kinds of sounds．N（71）early every pop song can be played on your mobile phone．You can also get a（72）nimal sounds-there are cats，dogs，tigers and lots of bird sounds，too．
You can make your o（73）wn music．You need special software to do it．Your voice is recorded with some music and you hear it when someone calls．
Now you can have a different sound for every person you know．Your address book is used to find out w（74）ho is calling．Then it plays a different song for each person．If your best friend likes a special song，he can hear it，too!
You have to be c（75）arefully with the song you choose．Some songs can cause trouble．If your family call you，they don't want to hear a noisy pop song!You should choose something that sounds nice．

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