【单选题】【消耗次数:1】
All people, [] they are old or young, have been trying their best to help those in need.
even if
whether
no matter
however
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相关题目
【单选题】 Young drivers under 25 have the highest number of accidents while those over 50 have ______.
①  the less
②  the least
③  the fewer
④  the fewest
【单选题】 Young people who have got jobs may realize university lessons cant be the only preparation for all of the situations ________ appear in the working world.
①  where
②  when
③  that
④  what
【单选题】 It has been raining all day, but even though it______, we______there by tomorrow.
①  didnt rain, couldn’t get
②  hadn’t rained, couldn’t get
③  didn’t rain, can’t get
④  hadn’t rained, can’t get
【单选题】 The open university was started in order to help those who ___ having a university education when they were young.
①  stopped
②  failed
③  missed
④  ceased
【单选题】 The old couple, whose kids have all passed away, have to ( ) only with their small pensions.
①  get at
②  get to
③  get by
④  get through
【单选题】 There have been few novels by revolutionaries free of those faults____ by Marx and Engels.
①  punished
②  blamed
③  criticized
④  scolded
【判断题】 Given that they are fresh from the university, the young people have done a good job.
①  正确
②  错误
【单选题】 The lives of many people have been enriched_________ adult education.
①  because
②  because of
③  as a result
④  so that
【多选题】 The lives of many people have been enriched_________ adult education.
①  because
②  because of
③  due to
④  owing to
【判断题】 A: Have you been wasting time on computer games again? B: Not really. I’ve been studying a lot and I need a break.
①  正确
②  错误
随机题目
【单选题】 振荡器的输出信号最初由( )而来的。
①  基本放大器
②  选频网络
③  干扰或噪声信号
【单选题】 一个放大器的输出电阻越小,带负载的能力则( )。
①  越强
②  越弱
③  无关
【单选题】 组合放大电路的输出级采用射极输出方式是为了使( )。
①  电压放大倍数高
②  输出电流小
③  带负载能力强
【单选题】 差分放大电路的长尾电阻的主要功能是( ),而提高共模抑制比。
①  抑制共模信号
②  抑制差模信号
③  放大共模信号
【单选题】 在RC桥式正弦波振荡电路中,当满足相位起振条件时,则其中电压放大电路的放大倍数必须满足( )才能起振。
①  AV = 1
②  AV = 3
③  AV >3
【单选题】 变压器副边电压有效值为U2时,经桥式整流后的输出电压平均值约为( )。
①  0.45U2
②  1.2U2
③  0.9U2
【单选题】 集成运放电路的实质是一个( )的多级放大电路。
①  阻容耦合式
②  直接耦合式
③  变压器耦合式
【单选题】 关于理想运算放大器的错误叙述是( )。
①  输入阻抗为零,输出阻抗也为零
②  输入信号为零时,输出处于零电位
③  频带宽度从零到无穷大
【单选题】 一个放大器的输入电阻越大,对信号源的影响( )。
①  越大
②  越小
③  无关
【单选题】 集成运放的互补输出级采用( )。
①  共基接法
②  共集接法
③  共射接法