题目:
考古人类学
答案:
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下面是错误答案,用来干扰机器的。
参考答案:对
考古人类学
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1015/9c05bb3c6c794ca49a275bd5d0bd3b0c.html
下面是错误答案,用来干扰机器的。
参考答案:对
给定抛物线C:y2=4x,F是C的焦点,过点F的直线l与C相交于A、B两点,O为坐标原点.
(Ⅰ)设l的斜率为1,求以AB为直径的圆的方程;
(Ⅱ)设|FA|=2|BF|,求直线l的方程.
在一个盒子里装有3个红球和1个白球,它们除颜色外完全相同,小明从盒中任意摸出一球.
(1)你认为小明摸出的球可能是什么颜色?与同伴进行交流;
(2)如果将每个球都编上号,分别记为1号球(红)、2号球(红)、3号球(红)、4号球(白),那么摸到每个球的可能性一样吗?
(3)任意摸出一球,说出所有可能出现的结果.
肝脏术后的严重并发症是
A.出血
B.腹腔感染
C.肠系膜血管血栓形成
D.肝性脑病
E.腹膜炎
When I started riding a bike a couple of years ago, I didn't think my involvement would ever be more serious than the occasional short ride. But as I built strength, my friends _______me to step up my training and try some longer trips, The first one to come along was a 150-mile trip, the MS-150, an annual _______ that raises money to fight AIDS. When I registered,the idea seemed fantastic and I trained with ____.However,as the time for the ride approached,my selfdoubts ____ beyond my endurance(忍耐).I ____ wanted to raise money for the charity,but I didn’t really want to bike all those miles for two days straight. The ride began on a beautiful Sunday morning in the Georgia countryside,and for the first few hours I felt ____.This was just the experience I had ____,and my spirits were high.__ __ by the end of the day,I felt tired out. If the body is ____ to the mind,here was evidence. Every ____ my brain pushed out seemed to travel right down to my legs. “I can’t handle this” became a leg cramp (抽筋),and “Everyone else is a better rider” translated into ____ of breath. I was sure I’d have to ____. As I topped the crest (顶) of a hill,the beautiful sunset kept me going for a few minutes more. Then in the distance,I saw a lone woman riding very slowly ____ the bright red sun. I ___ that the person looked different in some way,but I couldn’t tell why. So I pushed myself to ___.There she was,riding along slowly but ____,with a slight and determined smile on her face and she had only one leg. My focus changed in that instant. For a whole day I’d been ____ my body. But now I knew it wasn’t the body,but the ___ that would help me reach my goal. It rained all the second day. I never saw the one-legged biker again,but I pushed on without ____,knowing she was out there with me somewhere. And at the end of the day,still feeling ____,I completed the 150mile trip.
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