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图1为经纬网图，AB为晨昏线的一段，图中阴影表示夜半球，读图回答问题。 小题1:如果此刻北京时间是12时，则与北京日期不相同的是 A．圣保罗(约47°W) B．华盛顿(约74°W) C．开普敦(约19°E) D．莫斯科(约38° E) 小题2:如果A所在纬线的日出地方时不断变早，则 A．α角不断变小 B．B点昼变长 C．地球公转速度变快 D．A处日出与正午日影夹角变小
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【简答题】定向聚合物只能采用Ziegler-Natta引发剂才能获得。
【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...
【简答题】My father was German, but he Worked in England. He married my mother, who was English. Her family name was Robinson, so when I was born in 632, in England, they called me Robinson, after her. My fathe...
【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
【单选题】When they my name in the commencement ceremony, I started to weep.
A.
shouted
B.
cried
C.
spoke
D.
announced
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