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【单选题】
以下哪种接触不会感染艾滋病?A.
同性性行为
B.
共用餐饮具,共同进餐
C.
共用被艾滋病毒污染的注射器
D.
使用被艾滋病毒污染的血液制品
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举一反三
【单选题】It's also just fun _____ people. I always have fun _____ it. [ ]
A.
watching, to watch
B.
watching, watching
C.
to watch, watching
【单选题】As Millie_____ TV, Andy _____ the door. [ ]
A.
was watching: was opening
B.
watched; opened
C.
was watching; opened
D.
watched: was opening
【单选题】She seems to prefer _____ American TV Shows to talking to me. [ ]
A.
to watch
B.
to be watching
C.
watching
D.
having watched
【简答题】用于粗差剔除的常见方法有：（ ）检验法、 中位数检验法和格拉布斯检验法。
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