Could it really happen? In fact, it has already happened more than once in the history of the Earth. The dinosaurs(恐龙) were on the Earth for over 160 million years. 65 million years ago they suddenly disappeared. Many scientists believe that the Earth was hit by a piece of object in space. The dinosaurs couldn't live through the cold climate that followed and they died out. Will we meet the same end?
Title A Comet Hits the Earth
The (1)part of the Earth One piece of
the comet The second piece of the comet
One piece hits the South Atlantic at a very (2) speed.
A huge wall of water (3) to southern Africa.
Cities are destroyed and people are (4). The second piece lands in Argentina.
It causes (5) and volcanic eruptions.Cities are destroyed.
The (6) part of the Earth The explosions make the sun (7) by dust and the temperature (8).So crops are ruined,and wars break out.One year later,there will be only about 10 million people alive.
Similar things
in the past Many scientists believe that about 65 million years ago,the Earth was (9)by some object from the space.
The dinosaurs died out because of the (10) followed.
答案:1.southern 2.high 3.rushes 4.drowned 5.earthquakes 6.northern 7.hidden 8.fall 9.hit10.coldness
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