Which of the following sentences expresses a fact？A．He is a nice man, I suppose.B．I hope h

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• 1______, still he kept on working.A．In case he was worn outB．Even if he was worn outC．Thoug

  ______, still he kept on working.

  A．In case he was worn out

  B．Even if he was worn out

  C．Though he was worn out

  D．Provided he was worn out

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• 2设函数f(x)满足f(0)=0,f(0)的导数存在,令F(x)=∫(0~x)t^(n-1)f(x^(
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• 3发生医院感染时的管理措施不包括A、检疫B、封锁疫情C、隔离患者D、检查病原携带者E、开展流行病学调查

  发生医院感染时的管理措施不包括

  A、检疫

  B、封锁疫情

  C、隔离患者

  D、检查病原携带者

  E、开展流行病学调查

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• 4求解这道定积分题.要详细过程哦.
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• 5【C6】A．get intoB．get toC．get inD．get back

  【C6】

  A．get into

  B．get to

  C．get in

  D．get back

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• 6帮求一道定积分的解答过程0∫ f(X)dx e/10(积分上限)∫ ln(x)dxe/1(e分之1)
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• 7求解答一道关于定积分的题!
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• 8The food and agricultural products sold by the US to Russia in 2013 were worth______:.A．$1

  The food and agricultural products sold by the US to Russia in 2013 were worth______:.

  A．$1.3 billion

  B．$1.6 billion

  C．$13 billion

  D．$16 billion

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• 9求一道定积分的题的解题过程∫lntanx dx,积分区间是0到∏/2.我说错题了,应该是∫lnsin
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• 10Which of the following is TRUE about the industry of fish farm？A．It is the newest industry

  Which of the following is TRUE about the industry of fish farm？

  A．It is the newest industry in the world.

  B．It is developing at a fast speed every year.

  C．It is at the peak of the development now.

  D．It has been developing for decades.

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