شرکت در آزمون آنلاین زبان انگلیسی 2 - زبان انگلیسی 2 | آزمون شماره 5825

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One group was ................................ the explanation , but the other group asked for more explanation.

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The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to …A… what life would be like without them. When there is a power failure, people are badly affected. Cars may be stuck in heavy traffic because there are no traffic lights …B… , and food goes bad in silent refrigerators.

Yet, people began to understand how electricity works …C… two centuries ago. Nature has apparently been experimenting in this field …D… millions of years. Scientists are discovering more and more that the living world may …E… a lot of interesting information about electricity that could benefit humanity.

A-

3-

The word “express” in paragraph 3 means … .

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It is amazing to know that they can speak more than five languages … .

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