2). The unexpected _explosion_______ frightened the little girl.
3). It might be possible to convert _ explosive ____ energy into heat.
Answers: exploded, explosion, explosive
3. density: n 密度；联想产生：dense: a 密度大的，反义词：sparse;
densely: ad高密度地；densely-populated人口稠密的；sparsely-populated人口稀疏的
1). The _dense___ fog kept the travelers from finding the correct direction.
2). The business area of the city is _densely____ populated.
3). This liquid has a much greater _density___ than water. Answers: dense, densely, density 4. shrink: v 收缩、退缩、缩水
1). As a result of careless washing, the jacket has shrunk to a child's size.
2).The girl shrinks at the sight of blood. 5. measurement: n 衡量、测量；
由此联想：measure: n措施/v 衡量、测量；measurable: a 可衡量的，可测量的
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1). We must take _measure____ to protect our
environment.
2). We have come within __measurable____ distance of success.
3). Clocks give us a __measurement____ of time.
4). There the rainfall is __measured____ not in inches but in feet.
Answers: measures, measurable, measurement, measured 6.implication: n 含义、暗示；imply: v 暗示 7. basis: n 基础、根据，
由此可以联想得到：base: n 底部；v 以…为底，为根据；basic: a 基础的，根本的； basically: ad 根本上来说,
1). If you want to improve your English, you must have a solid _basis_____.
2). The furniture of out dorm is really _basic____: two beds, two chairs and tables.
3). The charges are false for they are not _basically_____ on proven facts.
4). Since no better plan can be worked out, we have to adopt the _based___ workable one. Answers: basis, basic, based, basically
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8. observatory: n 天文台；由此可以联想得到： observe: v 观察；observation: n 观察；observer: n 观察家
9. convincing: a 有说服力的，使人信服的；convince: v 使人信服；convinced: a 感到有说服力的，常见搭配：convince sb of sth; convince sb that
1). He gave us a convincing speech. 2). He convinced me of his sincerity.
10. operate: v 运转、操作、动手术；operation : n 手术，操作；operator: 操作者
11. research into对…进行研究
She is researching into possible cures for AIDS. 12. swallow up: 吞没、耗尽
Many small businesses have been swallowed up by large companies.
13. apply to sb/sth：适用于某人/某事，请对比： apply to sb for sth向某人申请某事；apply A to B将A 应用于B
1). You should apply what you have learned to your work. 2). I applied to him for a new job.
3). The study method doesn't apply to everyone
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Learn new words and phrases
1. revolve: v 旋转，常见搭配关系为：revolve around sb/sth围绕…转。
She spends all of her time revolving around her family. The earth revolves around the sun. 2. solar: a 太阳的，日光的
solar energy太阳能；solar system太阳系；solar month阳历月
3. concerned: a 有关的、担心的
Her job is something concerned with computer. He is concerned about the result of the exam.
4. colored: a 有色的，对比；colorful: a 丰富多彩的 I like orange-colored coat. Everybody likes colorful life.
5. religion: n 宗教，religious: a 虔诚的； 请对比：region: n 地区；regional: a 地区的 6. circumstance: n 情况、境遇；
Under no circumstances can we waste time.
7. a great many = a number of = many很多，修饰复数名词。而a great deal of + u.n
A great many students are absent today. I have wasted a great deal of time.
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8. above all: 首先、首要
After the war, he longed above all to see his wife and family.
9. as a rule: 通常、一般而言 As a rule, I only watch sports news. Learn new words and phrases
1. weaken: v 削弱、减弱，字根：weak: a 虚弱的 构词形式：adj/n + en或en + adj/n = v
Shorten, enlarge, enable, enrich, loosen, tighten etc. 2. nationwide: a 全国范围的，通过该词我们可以得到：worldwide:全世界范围的，region wide, etc.
3.legal: a 合法的，反义词：illegal,不合法的；legalize: v 使…合法化。
The Netherlands became the first country to legalize euthanasia.
4. ensure: v 确保、担保，常见用法如下： 1). The police can ensure the witness from danger. 2). We can ensure that the work will be done in the right way.
5. oppose: v 反对、对抗；名词：opposition , 形容词：opposed
1). What he said was totally opposed to the facts.
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