问题
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It can be inferred from the passage that______.A.all the European countries fall behind th
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Googles executive chairman Eric Schmidt claims all of the following EXCEPT that______.A.th
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All it requires is that he () and focus his time, effort, and resources specifically
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Airline companies today require that all luggage______more strictly.A.be inspectedB.inspec
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With the open-access publishing model, the author of a paper is required to[A] cover th
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Our statistics show that we consume all th