单选

The vacuum tube,invented near the beginning of our century,gave us the use of ra

A was captured B captured C capturing D has been captured

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The（ ）goal of the book is to help bridge the gap between research and teaching,p

A overall B intensive C joint D concise

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The（ ）of the speech contest is made up of four professors and a famous broadcast

A committee B board C panel D leadership

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Their（ ）request is refused.

A abrupt B absurd C acute D apt

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Theories centering on the individual suggest that children engage in criminal be

A interaction B assimilation C cooperation D consultation

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Theories focusing on the role of society suggest that children commit crimes in（

A return B reply C reference D response

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There can be no question about the value of a safety program.From a financial st

A claims B reports C declarations D proclamations

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There was a very interesting remark in a book by an Englishman that I read recen

A giving B gave C to give D given

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These attempts are usually resisted by powerful people who（ ）from the status quo

A acquire B profit C prohibit D succeed

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They do not provide energy,nor do they construct or build any part of the body.T

A shifting B transferring C altering D transforming

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