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【判断题】
经过过滤的城市生活污水可以作为灌溉绿色食品基地的用水。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】听力原文：M: Hi, Sarah. What's up? W: Oh, hi, I just got out of a history class. I had to give a presentation. M: How did it go? W: Terrible. I'm sure I made a fool of myself. M: Why? Weren't you prepared?...
A.
She felt embarrassed in class.
B.
Her presentation received a poor grade.
C.
She had not completed her assignment.
D.
She was unable to attend her psychology class.
【简答题】Filling the blanks according to the listening you have heard. Good morning. Mr. Blake. Take a seat, please. Welcome to the ___20___ . Before we start, let me give you some idea of what I’d like to tal...
【单选题】关于精神活性物质对睡眠的影响，说法错误的是
A.
所有的精神活性物质都对夜间睡眠和日间警觉产生一定影响
B.
对精神活性物质滥用或依赖，突然停用，一般都会出现睡眠问题
C.
有些精神活性物质会加剧睡眠障碍
D.
可以通过饮酒改善睡眠
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