2022-2023学年非凡吉创高三TOP二十名校十二月调研考语文试卷答案(更新中)

2022-2023学年非凡吉创高三TOP二十名校十二月调研考语文试卷答案(更新中)，目前我们已经整理了2022-2023学年非凡吉创高三TOP二十名校十二月调研考语文试卷答案(更新中)的各科答案和试卷，更多试卷答案请关注本答案网。

The:Students'Union第二节Paragraph 1;Seeing Farid's unhappiness,his best friend,John,pulled him aside to have a talk.Farid poured out hispain and sadness to John,who then encouraged him to talk with Mr Tai.However,Mr Tai tried to avoidmeeting Farid because the reputable teacher did not want to admit his mistake to his student.When Farid finallymanaged to meet Mr Tai,the latter just made him accept that his brother was the better choice but didn'tprovide an explanation.Paragraph 2:Hassan did not do well in the National Athieties Championships.His old ankle injury troubled him duringthe race and he came in last.The school's athletics performance was at its worst that year.Mr Tai was notchosen as the athletics co the foliowing year.As for Farid,he didn'tgive upringd id well enough towin goryforthe sinthe net NationlAthetis Championships.In the,hereied that MrTahadjuute the namby mistake in that vnd he feltcpeaceof mindheryomen

20.解：(1)f(x)=e-1.(1分)令f(x)=0,得x=0,(2分)当x∈(0，+∞)时，f(x)>0,f(x)单调递增，(3分)当x∈（一∞，0）时，f(x)<0,f(x)单调递减，(4分)故f(x)在x=0处取得极小值，且极小值为f(0)=1一0一2=一1，无极大值，(5分)(2)不等式f(x)≥bx,即为e-x一2≥bx,所以≤二2-1在区间1，+∞)内恒成立，(7分)令h()=二2-1，则所以(x)=工=1)+2>0，所以h(x)在区间(1，十∞)内单调递增，所以h(x)>h(1)=e-3,(10分)所以实数b的取值范围为（一∞，e一3].(12分)