新高考數(shù)學(xué)一輪復(fù)習(xí)講練測(cè)專題3.6對(duì)數(shù)與對(duì)數(shù)函數(shù)（練）原卷版

專題3.6對(duì)數(shù)與對(duì)數(shù)函數(shù)練基礎(chǔ)練基礎(chǔ)1．（2021·安徽高三其他模擬（理））函數(shù)SKIPIF1<0的圖象大致是（）A． B．C． D．2．（2021·江西南昌市·高三三模（文））若函數(shù)SKIPIF1<0．則SKIPIF1<0（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<03．（2021·浙江高三其他模擬）已知SKIPIF1<0為正實(shí)數(shù)，則“SKIPIF1<0”是“SKIPIF1<0”的（）A．充分不必要條件 B．必要不充分條件C．充要條件 D．既不充分也不必要條件4．（2021·浙江高三專題練習(xí)）已知函數(shù)f(x)＝SKIPIF1<0則函數(shù)y＝f(1－x)的大致圖象是（）A． B．C． D．5．（2021·江蘇南通市·高三三模）已知SKIPIF1<0，則a，b，c的大小關(guān)系為（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<06．（2021·遼寧高三月考）某果農(nóng)借助一平臺(tái)出售水果，為了適當(dāng)?shù)亟o鮮杏保留空氣呼吸，還會(huì)在裝杏用的泡沫箱用牙簽戳上幾個(gè)小洞，同時(shí)還要在鮮杏中間放上冰袋，來保持泡沫箱內(nèi)部的溫度穩(wěn)定，這樣可以有效延長水果的保鮮時(shí)間．若水果失去的新鮮度SKIPIF1<0與其采摘后時(shí)間SKIPIF1<0（小時(shí)）滿足的函數(shù)關(guān)系式為SKIPIF1<0．若采摘后20小時(shí)，這種杏子失去的新鮮度為10%，采摘后40小時(shí)，這種杏子失去的新鮮度為20%．在這種條件下，杏子約在多長時(shí)間后會(huì)失去一半的新鮮度（）（已知SKIPIF1<0，結(jié)果取整數(shù)）A．42小時(shí) B．53小時(shí) C．56小時(shí) D．67小時(shí)7．【多選題】（2021·遼寧高三月考）已知SKIPIF1<0，SKIPIF1<0，SKIPIF1<0，則下列結(jié)論正確的是（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<08．【多選題】（2021·山東日照市·高三一模）已知SKIPIF1<0，SKIPIF1<0，則（）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<09．（2021·浙江高三期末）已知SKIPIF1<0，則SKIPIF1<0________．10．（2021·河南高三月考（理））若SKIPIF1<0，則SKIPIF1<0___________；練提升TIDHNEG練提升TIDHNEG1．（2021·浙江高三專題練習(xí)）如圖，直線SKIPIF1<0與函數(shù)SKIPIF1<0和SKIPIF1<0的圖象分別交于點(diǎn)SKIPIF1<0，SKIPIF1<0，若函數(shù)SKIPIF1<0的圖象上存在一點(diǎn)SKIPIF1<0，使得SKIPIF1<0為等邊三角形，則SKIPIF1<0的值為（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02．（2021·安徽高三其他模擬（文））已知函數(shù)SKIPIF1<0，若SKIPIF1<0，則SKIPIF1<0的取值范圍為（）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<03．（2021·全國高三三模）已知函數(shù)SKIPIF1<0，若SKIPIF1<0，則SKIPIF1<0的大小關(guān)系正確的是（）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<04．【多選題】（2021·遼寧高三月考）若SKIPIF1<0，則（）A．SKIPIF1<0B．SKIPIF1<0C．SKIPIF1<0D．SKIPIF1<05．【多選題】（2021·全國高三專題練習(xí)（理））已知SKIPIF1<0，且SKIPIF1<0，則（）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<06．【多選題】（2021·湖南高三二模）若正實(shí)數(shù)a，b滿足SKIPIF1<0且SKIPIF1<0，下列不等式恒成立的是（）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<07．【多選題】（2021·山東臨沂市·高三二模）若SKIPIF1<0，SKIPIF1<0，SKIPIF1<0，則（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<08．（2021·浙江高三專題練習(xí)）已知函數(shù)SKIPIF1<0滿足SKIPIF1<0，當(dāng)SKIPIF1<0時(shí)，函數(shù)SKIPIF1<0，則SKIPIF1<0__________．9．（2021·千陽縣中學(xué)高三其他模擬（文））已知函數(shù)SKIPIF1<0，則不等式SKIPIF1<0的解集為___________.10．（2021·浙江麗水市·高三期末）已知SKIPIF1<0，則SKIPIF1<0的取值范圍是__________.練真題TIDHNEG練真題TIDHNEG1.（2020·全國高考真題（文））設(shè)SKIPIF1<0，則SKIPIF1<0（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<02.（2020·全國高考真題（理））設(shè)函數(shù)SKIPIF1<0，則f(x)（）A．是偶函數(shù)，且在SKIPIF1<0單調(diào)遞增 B．是奇函數(shù)，且在SKIPIF1<0單調(diào)遞減C．是偶函數(shù)，且在SKIPIF1<0單調(diào)遞增 D．是奇函數(shù)，且在SKIPIF1<0單調(diào)遞減3．（2020·天津高考真題）設(shè)SKIPIF1<0，則SKIPIF1<0的大小關(guān)系為（）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<04.（2019年高考全國Ⅲ卷理）設(shè)是定義域?yàn)镽的偶函數(shù)，且在單調(diào)遞減，則A．（log3）＞（）＞（）B．（log3）＞（）＞（）C．（）＞（）＞（log3）D．（）＞（）＞（log3）5.（