问题
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Because it is not a serious problem, we are not necessary to take strict measures against
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听力原文:Since we are all social beings, the quality of our lives depends in large measure
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Various security measures are recommended EXCEPT ______.A.turning off network servicesB.em
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Why are the archaeologists interested in dendrochronology?A.They can measure constructions
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All of the following are some measures for environment protection EXCEPTA.using public tra
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The following measures are taken to protect children online EXCEPTA.parents will be monito