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They have no practical value in earthquake prevention. They may have practical value in earthquake prevention. They are certain to have practical value in earthquake prevention. The article does not say anything about their practical value in earthquake prevention.
darkness daylight simulated engine-room all of the above
maximum minimum possible practical
Scientist engaged in theoretical research should not be blamed for ignoring the practical side of their discoveries. Today few people have any notions of the meaning of science. In science, it is not difficult to distinguish fact from fiction. Practical-minded people can understand the meaning and objectives of pure scienc
true; realistic realistic; practical practical; realistic real; realistic
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global warming is not only a theoretical problem but also a practical one. there is a great difference between the rich and poor. science discussion has nothing to do with the practical problem. well-qualified doctors know little about the reality of the problem.
To speak practical Speaking practical Practically speaking In speaking practical
boring practical exciting natural
as; by; for by; for; as for; as; by as; for; on
facts reasons purposes causes
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