题目内容

[自我归纳二]

动词不定式可在句子中充当主语、宾语、表语、补语、定语和状语。

★作主语,一般表示具体的某个动作,谓语动词用第三人称单数(句1);有时为了避免句子头重脚轻,常用it作形式主语,而把真正的主语不定式放在句尾(句2)。

★作宾语(句3) ;若带有宾语补足语时,常用it作形式宾语,而将真正的宾语不定式后置(句4) 。

★作,常用来说明主语的具体内容(句5) 。

[自学归纳二]表语

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   That one looks just like a sheep!And look over there. That one looks like a horseDo you remember lying on your back in a grassy field on a summer afternoon,discovering the soft shapes in the clouds in the sky? Those were the good old days when you could see anything and everything in the clouds.

    But now people look at the sky and see clouds in the shape of a motor companys advertising logo (标识) ,or a message inviting them to go out and buy a certain drand(品牌) of beer. These cloud pictures are not products of their imaginations. Instead,they are produced by a machine. These new floating advertisements are called Flogos; the name stands for “floating logos." They’re made from a mixture of soapy foam(泡沫) and a lighter-than-air gas such as helium,and they can be made into different sizes and shapes depending on the advertisement.

    Flogos can last up to an hour if weathei conditions are good,and they can fly several kilometers high. Advertisers can rent a Flogc machine for $2,500 a day. The set-up is normall

performed within 1 to 2 hours,and it will release four Flogos per minute. Advertisers can fill the aii with any shape or message they want.

   Some people are worried that the Flogoi might not be pollution-free(无污染的) .However the Flogo's inventor insists that the soap he uses natural,and that a Flogo just dissipates in the air,leaving nothing behind. Though it may be true that Flogos are environmentally friendly,some people believe that the natural clouds in our memory may be replaced by man-made ones. They are afraid that soon there will be nowhere left where their imaginations can float freely.

28. The author mentions the animal-like clouds to show that.

   A. clouds remind us of the good old days

   B. clouds can become any interesting shape

   C. weather conditions were much better in the past

   D. people observed the sky more carefully in the old days

29. What do we know about Flogos?

   A. They are made out of air and gas.

   B. They are purely imaginary products.

   C. They were produced by a motor company.

   D. They are flying designs used for advertising.

30. What does the underlined word “dissipates” in the last paragraph mean?

   A. Hides.             B. Travels.

   C. Remains.           D. Disappears.

31. We can infer from the end of the text that some people .

   A. believe what the Flogo's inventor says

   B. prefer the new floating advertisements to others

   C. fear that Flogos will leave nothing to their imaginations

   D. hope that companies will advertise by using natural clouds

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