答案查看网,轻松搜题/搜资源
登录
×
登录账号
记住密码
立即注册
忘记密码
×
注册
使用微信扫描二维码,获取账号密码后免费查看答案
前往登录
忘记密码
×
忘记密码
使用微信扫描下方二维码,即可找回您的账号密码
前往登录
立即注册
搜题/搜资源
【单选题】【消耗次数:1】
We should set up special schools for the ______ people.
①
A.young
②
B.old
③
C.poor
④
D.disabled
参考答案:
复制
纠错
➡️如需代学继续教育,联系微信:yizhituziang
相关题目
【单选题】
The hotel has special ( ) for disabled people.
①
system
②
tools
③
help
④
facilities
查看完整题目与答案
【单选题】
When we speak to people, we should be ______.
①
as polite as possible
②
as polite as possibly
③
as politely as possible
④
as politely as possibly
查看完整题目与答案
【单选题】
2. When we speak to people, we should be ___.
①
as polite as possible
②
as polite as possibly
③
as politely as possible
④
as politely as possibly
查看完整题目与答案
【单选题】
Up to now we have ( )the goal we set at the very beginning.
①
assured
②
influenced
③
possessed
④
accomplished
查看完整题目与答案
【单选题】
7.When we go abroad we are always being ______ around like a group of mentally disabled people.
①
guided
②
.ushered
③
introduced
④
displayed
查看完整题目与答案
【单选题】
Evidence came up ____ specific sounds are recognized by babies as young as six months old.
①
what
②
that
③
which
④
whose
查看完整题目与答案
【单选题】
Evidence came up _____ specific sounds are recognized by babies as young as 6 months old.
①
what
②
that
③
which
④
why
查看完整题目与答案
【单选题】
All people, [] they are old or young, have been trying their best to help those in need.
①
even if
②
whether
③
no matter
④
however
查看完整题目与答案
【单选题】
20._____your poor record at school, we think you should study more.
①
In view of
②
For view of
③
From view of
④
Within view of
查看完整题目与答案
【单选题】
The most important ___ of his speech was that we should all work whole-heartedly for the people.
①
element
②
sport
③
chance
④
point
查看完整题目与答案
随机题目
【单选题】
共模抑制比KCMR越大,表明电路( )。
①
放大倍数越稳定
②
交流放大倍数越大
③
抑制温漂能力越强
④
输入信号中的差模成分越大
查看完整题目与答案
【判断题】
只有电路既放大电流又放大电压,才称其有放大作用。
①
正确
②
错误
查看完整题目与答案
【判断题】
放大电路必须加上合适的直流电源才能正常工作。
①
正确
②
错误
查看完整题目与答案
【单选题】
功率放大电路与电压放大电路、电流放大电路的共同点是( )。
①
都使输出电压大于输入电压
②
都使输出电流大于输入电流
③
都使输出功率大于信号源提供的输入功率
查看完整题目与答案
【单选题】
当基极电流IB较大时,集-射极电压UCE接近0,集电极电流IC达到最大值,此时三极管处在( )状态;当基极电流IB≤0时,集电极电流IC=0,集-射极间电压UCE=UCC,此时三极管处在( )状态。
①
饱和,放大
②
放大,截止
③
截止,放大
④
饱和,截止
查看完整题目与答案
【判断题】
甲乙类功率放大电路较乙类功率放大电路,具有输出功率大、效率高和非线性失真小的特点。
①
正确
②
错误
查看完整题目与答案
【判断题】
三极管放大电路共有三种组态共射极、共集电极、共基集放大电路。
①
正确
②
错误
查看完整题目与答案
【判断题】
产生零点漂移的原因主要是晶体管参数受温度的影响。
①
正确
②
错误
查看完整题目与答案
【判断题】
共射极放大电路的电源电压是通过集电极电阻RC加到集-射极之间的,集电极的静态工作点电压UCEQ等于电源电压UCC减去集电极电阻RC上的电压。
①
正确
②
错误
查看完整题目与答案
【判断题】
电压放大倍数Au的大小主要取决于三极管的β值和交流负载值,它几乎不受rbe值的改变而改变。
①
正确
②
错误
查看完整题目与答案