[填空题]
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Directions: In this section, there is a short passage with 5 questions or incomplete statements. Read the passage carefully. Then answer" the questions or complete the statements in the fewest possible words. Please write your answers on Answer Sheet 2.

Marriage may improve your sleep, and better sleep may improve your marriage, two new studies suggest.
Women who are married or who have stable partners appear to sleep better than women who have never married or lost a partner, according to research from an eight-year study presented at the Associated Professional Sleep Societies annual meeting. They also found that marital (婚姻的) happiness lowers the risk of sleep problems, while marital conflict heightens the risk.
Although married women overall slept more soundly than unmarried women, the researchers, from the University of Pittsburgh School of Medicine, did ident

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