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A. Nuclear reactions as the lasting source of the sun’s energy. B. The most important source of energy. C. Types of electromagne
A. Nuclear reactions as the lasting source of the sun’s energy. B. The most important source of energy. C. Types of electromagne
admin
2009-06-15
48
问题
A. Nuclear reactions as the lasting source of the sun’s energy.
B. The most important source of energy.
C. Types of electromagnetic energy.
D. The machines used for energy generation.
E. Seeking new sources of energy.
F. The use of ultraviolet radiation in medicine.
*
选项
答案
A
解析
该题可直接借助搭配句意判断答案。也可借助原文(利用问题句中的infrared.heat作为答案线索词),在第3段第4句找到答案相关句:Infrared(红外线的)radiation is anelectro magnetic wave. When it is absorbed by matter, heat is produced.
转载请注明原文地址:https://kaotiyun.com/show/dyQd777K
本试题收录于:
职称英语理工类B级题库职称英语分类
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