本期重点：词性
词性重点考查的就是词性的混淆，主要是名词与动词的误用、名词与形容词的误用以及形容词与副词的误用。做这类改错题，首先要判断词性及词在句中的位置，然后根据它们在句中所处的位置来确定词性是否正确。一般说来，形容词修饰名词，副词修饰动词，副词修饰形容词。例如说到某个问题的严重性，会用increasingly serious(越来越严重)，用副词修饰形容词，不能说increasing serious。
考点例析：
例1：Most experts believe this can continue even if the population
doubles by the mid-21st century,although feeding I0 billion people
will not be easy for politics, economic and environmental reasons S6.___
解析：reasons有三个修饰词politics, economic， environmental , 后两个是形容词，第一个也应该是一致的，所以把politics改称political。
例2：Culture is essentially to our humanness. It provides a kind of S8.______
map for relating to others.
解析：做表语时，应该使用形容词而不是副词，故将essentially -> essential。
例3：Their experiments have shown that reading disorders are most
likely the result of what is, in effect, faulty wiring in the brain—
not lazy, stupidity or a poor home environment S4._____
解析：lazy, stupidity ，a poor home environment 是三个并列的词，在词性上应该保持一致，所以将lazy改成laziness。
巩固与拓展
1. Except for relative isolated trouble spots like present-day Somalia, _______
and occasional years of bad harvests, the world’s food crisis has
remained just around the corner.
2. A good CV is your passport to an interview and ,ultimate , to ________
the job you want
3. Now what started in schools across the country is playing itself out
on a nation stage and is possibly having an impact on the reading _______
habits of the American public.
4. Understanding the original of the negative attitude _______ .
towards science may help us to modify them.
5. The WHO has given multi-drug therapy to patients freely for _______
the last five years.
综合训练
Language learning begins with listening. Individual children vary
greatly in the amount of listening they do after they start speaking, 1.________
and the late starters are often long listeners. Most children will "obey"
spoken instructions some time before they can speak, though the
word obey is hardly accurate like a discrption of the eager and 2._____
delighted cooperation usually shown by the child. Before they can
speak, many children will ask questions in gesture and by making 3._____
questioning noises. Any attempt to trace the development from the
noises babies make to their first spokeb words lead to considerable 4._____
difficulties. It is agree that they enjoy making noises, and that during
the first few months one or two noise sort themselves out as 5.____
particular indicative of delight, distress, sociability, and so on. But since 6.___
these can be said to show the baby’s intention to communicate, they can 7._____
hardly be regarded as early forms of language. Is is agreed, too, from 8.______
about three months they play with sounds for enjoyment, and that by six
months they are able to add new sounds to their repertoire. This self-imitation
leads on to deliberate imitation of sounds making or words spoken to 9.______
them by other people. The problem then arises as to the point which one 10._____
can say that these imitation can be considered as speech.
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