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【单选题】
男孩性早熟认定的年龄是A.
十岁前开始性发育
B.
九岁前开始性发育
C.
八岁前开始性发育
D.
十一岁前开始性发育
E.
没有正确答案
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举一反三
【简答题】定向聚合物只能采用Ziegler-Natta引发剂才能获得。
【单选题】The audience, ______ , enjoyed the performance.
A.
most of them were students
B.
they were mostly students
C.
most of whom were students
D.
they themselves were students
【简答题】ERIK WEIHENMAYER, ROCK CLIMBER: When people say they summit for the view, I think they`re missing a lot of the equation of why we do the things we do. The summit honestly is pretty anticlimactic 虎头蛇尾的...
【单选题】My name is Lucy. My clients often ask me how they look more professional. Here are two tips. Ladies, don ’ t cut your hair when you turn 35! In today ’ s corporate world, having long hair doesn ’ t me...
A.
A chef.
B.
A technician.
C.
A director.
D.
A hairdresser.
【简答题】My heart sank when the man at the immigration counter gestured to the back room. I’m an American born and raised, and this was Miami, where I live, but they weren’t quite ready to let me in yet. “Plea...
【单选题】1989年卫生部颁布的《职业性中暑诊断标准及处理原则》中规定职业性中暑诊断及分级标准为
A.
轻症中暑，中度中暑和重症中暑
B.
中暑先兆，轻症中暑和重症中暑
C.
热射病，热痉挛和热衰竭
D.
轻症中暑、重症中暑
E.
以上都不是
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