题目内容

2.The journalist has already interviewed a lot of famous people.(改为否定句)
The journalisthasn't interviewed many famous peopleyet.

分析 这个新闻记者已经采访了许多名人.
这个新闻记者还没有采访许多名人.

解答 答案:hasn't,yet.原句是现在完成时have/has+过去分词,否定句是在助动词have或has后加上not,这里是has加上not构成hasn't,already是放在肯定句中,否定句中需用yet,放句末,故答案是hasn't,yet.

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

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10.People sometimes say,"It's raining cats and dogs!"when there is a heavy rain.Nobody has ever really seen cats and dogs falling from the sky,but there have been many reports of other strange things"raining"down.In 1956,the people of a town in the USA saw a small blackcloud in the sky.It started to rain from the cloud normally,but only in a small area.The cloud then turned white,and fish started to fall to the ground.Most of them were still alive.
      During a storm in July 1901,in Minneapolis,people heard something falling from the sky that did not sound like rain.When they went outside,they found all types of frogs covering four streets.
     There are other reports of strange"rains"failing from the sky including worms,insects and snakes.
      Can these strange"rains"be explained by science?Scientists usually say that a tornado (龙卷风) has picked up the animals from a river or ocean,carried them for miles,and then dropped them somewhere else.But this does not completely explain all of them.On May 15,1890,in Italy,there was a rain of blood--birds'blood.Scientists said that flying birds must have been torn(撕碎) to pieces by strong winds.But if so,why did only their blood fall from the sky,and not other parts of their bodies?And anyway,there were no strong winds that day!

51.What does it mean when people say,"It's raining cats and dogs"?B
A.Cats and dogs are falling from the sky.
B.It's raining heavily.
C.Animals started to fall to the ground.
D.There is a black cloud.
52.Which of thefollowing has not been reported as strange things failing from the sky?A
A.Cats and dogs.
B.Worms and insects.
C.Fish and blood.
D.Snakes and frogs.
53.According toscientists,what can move things from the ground to the sky?D
A.Storms.
B.Rains.
C.Clouds.
D.Tornadoes.
54.Scientists'explanation for rain of blood is thatC.
A.the tornado picked up the birds'blood
B.there were no strong winds that day
C.flying birds were torn into pieces by strong winds
D.other parts of birds'bodies did not fall with the blood
55.Which of thefollowing can be the best title of the passage?C
A.Strange"Winds".
B.Strange"Clouds".
C.Strange"Rains".
D.Strange"Animals".

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