网址:http://m.1010jiajiao.com/timu3_id_2457318[举报]
An earthquake is caused by rocks moving underground. The surface of the earth is made up of about 20
huge plates. The plates are thousands of miles wide and many miles thick. Like turtles with their shells, they
carry oceans and continents right on their backs.
All the earth's plates are constantly in motion, although they move very slowly, maybe an inch a year. They
push each other, trying to slip under or over each other, or to slide past one another. Earthquakes often happen
when two plates come together. Along the plates where the plates meet, there is a kind of crack in the earth's
surface called a fault. The most famous fault in the United States is the San Andreas Fault, which runs 600 miles
through California and is more than 30 million years old.
An earthquake happens along a fault where two plates rub together while moving in different directions. The
earth shakes and shivers and vibrates like a rubber band that's been snapped. Those vibrations are picked up by
an instrument which enables experts to figure out where the earthquake occurs and how strong it is. Scientists
measure an earthquake's strength by what they have named the Richter Scale. The Scale runs from zero to nine,
with nine being the most powerful. Sometimes an earthquake occurs so far below the surface, we can hardly
feel it on top. Sometimes an earthquake is so strong that it has more power than a nuclear explosion. An
earthquake can last five seconds or up to ten minutes and create enough heat to melt any rock.
(Help: 1. plate n.板块 2. turtle n.海龟 3. shell n.壳 4. constantly adv.不断地 5. occur v.发生
6. rub v. 摩擦 7. vibrate v. 振动 8. figure out计算出 9. measure v. 测量 10. melt v. 熔化)
( )1. An earthquake is caused by rocks moving underground.
( )2. All the earth's plates are constantly in motion, and they move very fast.
( )3. The most famous fault in the United States is the San Andreas Fault, which runs 600 miles through
California.
( )4. The Scale runs from zero to nine, with zero being the most powerful.
根据文章内容,回答下列问题。
5. When can an earthquake occur according to the passage?
____________________________________________________________________________
6. How strong can an earthquake sometimes be?
____________________________________________________________________________
7. What is your feeling if an earthquake occurs far below the surface of the earth?
____________________________________________________________________________
单词拼写(8分)
1.The direct cause of a disease is the v_________.
2.We don’t believe the c__________ he drew according to his wrong idea.
3.The song r_________ me of my childhood.
4.The dress is __________ (可以买到) in all sizes at this shop.
5.I’ve got a fish bone stuck in my t________.
6.He finished the four-year _________ (课程) at college.
7.They _________ (雇佣) a skillful nurse to look after their baby last year.
8.The doors opened _________ (自动地) as we approached.
查看习题详情和答案>>
单词拼写(每题1分,满分10分)。
76. She had difficulty ___(发表) a speech before a large audience.
77. Tony got praise from his teacher today, for he usually (表现) himself at school.
78.They are all a________ workers who will be awarded for their hard work.
79.Free medical treatment kept him alive t another year.
80.So far,since our research has not produced any answer to this problem,we need to
use a different a to it.
81.Only when Jim made a call to say they'd already arrived safely did I feel at (放松).
82.The earthquake left thousands of people h____.
83.The jacket was r ____ from 100 dollars to 75 dollars.
84.We must not rely on imports but on ___(出口产品).
85.V ____ goods are on show at Christmas in western countries.
查看习题详情和答案>>书面表达(满分25分)
假定你是李华,你的朋友李明写信告诉你他因不善交友而苦恼。请根据下面提示给他回信,提出建议。
提示:
1.友善、乐于助人;
2.多与他人交流;
3.多参加活动;
注意:
1.词数:100左右;
2.可以适当发挥,以使短文连贯;
3.开头和结尾己为你写好,不计入总词数。
参考词汇:communicate(v.)交流;activity(n.)活动
Dear Li Ming,
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Li Hua
查看习题详情和答案>>
单词拼写(共10小题,满分5分)
1.This v________ became active last year with a series of eruption.
2.Motorists are warned to slow down and take extra care in f _______ conditions.
3.How can a responsible father d ______his wife and two children and be here alone?
4.To live in a world without you is more painful than any punishment. And no one can r_____ you in my heart.
5.His writings have been_________ (影响) by his mother.
6.Your v______ is too small; you need to learn more words.
7.Why do I always become the t_____ of the thief?
8.The performance of the host, i_______ to please the audience and draw their attention, was greeted with cold silence, however.
9.I didn’t dare to speak aloud or even w________ to her what was in my mind.
10.Even the best doctor in the country can not c_____ him of his disease .
查看习题详情和答案>>