2023届江苏省徐州市高三考前打靶卷语文试题答案

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00×=0Ex12.D由∫(x)=lnx+1-a,因为f(x)只有一个极值点,所以方程∫(x)=0只有个解即方程lnx+1-a=0有一个解,Inx+a有一个解,也即直线y一口如面与函数y=+的图像只有一个交点,令x()a3nx+,则8(2),令h(x)=1-nx-1,14+a2一8=h(x)=2=08mg3xx(x>0),即h(x)<0在(0,+∞)上恒己钡,成立,所以AG在(0,+∞)上为减函数,又因为k(1)=0,所以当x∈(0,1)时,h(x)>0,即g(x)>0,当x∈(1,+)时,h(x)<0,即g(x)<0,所以g(G)在(o,1)上为增函数,在(1,+∞)上为减函数且当x→+∞时,g(x)→0,则g(x)的大致图像如图所示,由图可知,a的取值范围是∞,oU(),故选D

21.D

33.A【解析】材料表明,该学者认为美国独立战争结束后尚有大量公债没有偿还,但由于中央政府无力筹款还债,严重威胁到债券持有者利益,他们意识到保障他们利益的关键是加强中央政府的权力,A项正确。其他三项均与材料主旨不符,B、C、D三项均排除

书面表达One possible versionDear PeterI'm writing to invite you to see the Chinese Painting Exhibition to be held in our city.The exhibition will start at 8: 30 am on Saturday and last till 5: 00 pm on Sunday in the city museum It'ssaid that a large number of Chinese paintings, some of which are original works by famous painters like ZhangDaqian and Qi Baishi, will be on display. Besides, there will be various souvenirs to be sold. I know you re veryinterested in traditional Chinese culture, so I can t wait to tell you the news and hope we can go together.Looking forward to your reply.You