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不定项选择题 Enough sleep is important to health. The amount of sleep 21 depends on th
A walks B B. exercises C C. trips D D. housework
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不定项选择题 Enough sleep is important to health. The amount of sleep 21 depends on th
A worry B B. fear C C. carelessness D D. hard work
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不定项选择题 Enough sleep is important to health. The amount of sleep 21 depends on th
A fight B B. plan C C. control D D. thought
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不定项选择题 Enough sleep is important to health. The amount of sleep 21 depends on th
A any time B B. bed time C C. midnight D D. lunch time
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不定项选择题 Enough sleep is important to health. The amount of sleep 21 depends on th
A A. the sleeper B B. a doctor C C. a child D D. parents
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不定项选择题 Oceanography has been defined as “The application of all sciences to the
A A. an academic aspect B B. a military aspect C C. a business aspect D D. an international aspect
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不定项选择题 Oceanography has been defined as “The application of all sciences to the
A A. the American Navy B B. some early intercontinental travelers C C. those who earned a living from the sea D D. the company which proposed to lay an undersea cable
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不定项选择题 Oceanography has been defined as “The application of all sciences to the
A A. to make some sounding experiments in the oceans B B. to collect samples of sea plants and animals C C. to estimate the length of cable that was needed D D. to measure the depths of the two oceans
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不定项选择题 Oceanography has been defined as “The application of all sciences to the
A A. doubted B B. gave proof to C C. challenged D D. agreed to
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不定项选择题 BEIJING(Associated Press)--China has a growing middle class, a tradition
A A. Educational toys and foreign toy markets B B. Problems with China's toy markets and education C C. Reasons for pushing sales of educational toys in China D D. Baby population and various kinds of toys made in China
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