【单选题】【消耗次数:1】
Heres a letter for you, Jim!? - Oh, [填空] is from my friend.
he
it
she
its
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【单选题】 Heres a letter for you, Jim!? - Oh, [填空] is from my friend.
①  he
②  it
③  she
④  it's
【单选题】 — ___ that he managed to get the information?— Oh, a friend of his helped him.
①  Where was it
②  What was it
③  How was it
④  Why was it
【单选题】 A:Happy birthday! Heres a gift for you. B: [填空].
①  Thats good. How much is it?
②  Wow, it is great! Thank you.
③  It must be very expensive.
④  You shouldnt have bought it.
【单选题】 A: Hi, my name is Lin Xiaoyan. Its nice to meet you. B: Im Jack. [填空]
①  You know?
②  How are you, Lin Xiaoyan?
③  Its pleasure to meet you, Lin Xiaoyan.
④  Youre busy, arent you?
【单选题】 Its ( ) that he has been away from home.
①  evident
②  important
③  genuine
④  alternative
【单选题】 This job is great ( ) advancement, but its too far away from my hometown.
①  in terms of
②  as a result of
③  based on
④  on behalf of
【判断题】 A: How do you find your job? B: My friend recommended it to me.
①  正确
②  错误
【判断题】 A: Hi, John. This is my friend, Mary. B: You are good, John.
①  正确
②  错误
【单选题】 Jim asked where_______from.
①  did he came
②  he came
③  he come
【单选题】 A: Bob, [填空]? B: Thats my friend! And beside him, his partner.
①  what is the person over there
②  whos talking over there
③  what are they doing
④  which is that
随机题目
【判断题】 电动机的调速是通过改变其机械特性来实现的。
①  正确
②  错误
【单选题】 共射极放大电路的交流输出波形上半周失真时为( )。
①  饱和失真
②  截止失真
③  交越失真
【单选题】 某只硅稳压管的稳定电压Vz = 4v,其两端施加的电压分别为+5v(正向偏置)和-5v(反向偏置)时,稳压管两端的最终电压分别为( )。
①  5v和-5v
②  -5v和+4v
③  +0.7v和-4v
【单选题】 共射极放大电路的交流输出波形上半周失真时,应该( )偏置电阻。
①  增大
②  减小
③  断开
【单选题】 为了减小输出电阻,应在放大电路中引入( )。
①  电流负反馈
②  电压负反馈
③  直流负反馈
【单选题】 共射极放大电路的交流输出波形下半周失真时为( )失真。
①  饱和
②  截止
③  交越
【单选题】 β相同的晶体管组成复合管后,其电流放大系数约为( )。
①  β
②  β的平方
③ 
【单选题】 直接耦合放大器的低频特性比阻容耦合放大器的( )。
① 
② 
③  相同
【单选题】 当稳压管在正常稳压工作时,其两端施加的外部电压的特点为( )。
①  反向偏置但不击穿
②  正向偏置但不击穿
③  反向偏置且被击穿
【单选题】 为了展宽频带,应在放大电路中引入( )。
①  电流负反馈
②  电压负反馈
③  交流负反馈