正误判断例2
原文：Hydroponics was once a complicated and expensive business, now it is well out of the experimental stage.
Which of the following statements is not true of hydroponics?
A. Hydroponics is still too complicated and expensive for practical use.
B. Hydroponics is considered a revolutionary method of agriculture.
C. Hydroponics has created wonders in agriculture.
D. Hydroponics has already been employed in food production.
根据now it is well out of the experimental stage早就走出了试验阶段，可知正确答案为D：水栽法已经用于食物生产。
5. 推断、引申题
在一篇文章中，作者有时没有将某一个问题、观点直接或正面陈述出来，而是隐含在字里行间，这就要求考生对所隐含的意义作推断。这类考题要求考生在深刻理解原文的基础上从正面或反面进行推理和判断下述东西：作者的写作意图或思路、观点倾向、文章来源、文章标题、上文或下文应涉及内容或主题，某些数字或细节等。在做这种题型的过程中，除了需要考生准确、透彻地理解原文外，还要求考生有一定的推理能力。推断题的题干中常见词语包括：imply, suggest, infer, conclude, infer, author´s point of view等；(安通学校提供)
这类题常见的题干有：
1 The first sentence of paragraph 3 implies that ___________________.
2. From the last paragraph we can infer that_______________________.
3. The passage suggests that_______________________-.
4. The paragraph following the last paragraph of this passage would most likely deal with_____________________.
5. What is the author´s attitude toward the future of ______________________?
6. The author´s attitude towards the issue seems to be ____.
7. The author´s attitude towards the issue of “…” is ______.
8. It can be inferred from the last paragraph that ______.
9. The author implies that ______.
10. It can be concluded that _____等等。
推断、引申题1
原文：Do you forget to turn off die lights and heaters when you go out of a room? In 2040 it will not matter. They will turn themselves off—and on again when you return.
The author intends to tell the readers that in year 2040 _____.
A. they win live without lights and heaters
B. they will me much more lights and beaten
C. lights and heaters will be on and off automatically
D. there will be no switches of lights and beaten
根据原文的They will turn themselves off—and on again when you return我们可以大致推论出答案为C：灯和加热器会自动打开和关闭。
推断、引申题2
原文：All this activity did not prevent RobertSpring from dying in poverty, leaving sharp-eyed experts the difficult task of separating his forgeries from the originals.
The author in the passage implied that _____.
A. RobertSpring was highly skilled in coping handwriting and imitating signature
B. RobertSpring died in poverty
C. Robert established a bookstore in Philadelphia in 1858
D. forgeries are casually sold to persons who aren´t experts
根据原文的All this activity did not prevent Robert Spring from dying in poverty可以论出答案为B：Robert Spring死于贫困。
推断、引申题 3
原文：One such investigation led to the arrest of the man accused of sending the extremely dangerous Melissa virus, a computer virus that destroyed files in computers around the world in the spring of 1999.
How dangerous was Melissa virus back in 1999?
A. It destroyed computer files worldwide.
B. Many agents took up the case.
C. Technicians, experts, and a student were investigated
D. Telephone lines and computers were destroyed.
根据原文的a computer virus that destroyed files in computers around the world可以论出答案为A：它摧毁了全世界的电脑文档。
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