皮皮学,免费搜题
登录
搜题
【单选题】
下列混凝土外加剂中,不能显著改善混凝土拌合物流变性能的是( )。
A.
减水剂
B.
引气剂
C.
膨胀剂
D.
泵送剂
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】The thief was caught ______ he was leaving the shop.
A.
after
B.
as
C.
before
查看完整题目与答案
【多选题】选择滤波电路所用的元件滤波电容时,主要考虑的参数是:
A.
滤波电容的容量
B.
滤波电容的耐压
C.
滤波电容的电流
查看完整题目与答案
【简答题】complain 的名词形式是 () 2. condemn的名词形式是() 3. fertile 的反义词是 () 4. ripe 的动词形式是() 5. scarcity的形容词形式是()
查看完整题目与答案
【多选题】在整流电路中广泛使用电容滤波,下面有关电容滤波正确说法有:
A.
电容相当于一个蓄水池,使用的电容越大抑制电压波动的效果就越好
B.
当滤波电容脱落时对滤波效果影响不明显
C.
滤波电容越小抑制电压波动的效果就越好
D.
连接滤波电容时要注意电容的极性
查看完整题目与答案
【单选题】The thief was( )by the police at the railway station.
A.
carpet
B.
mined
C.
captured
D.
mounted
查看完整题目与答案
【单选题】Soon the thief was caught and fined five times______he should have paid.
A.
. as many money as
B.
. the amount of money
C.
. the money as
D.
. more money as
查看完整题目与答案
【简答题】Hearing the dog barking fiercely, away . A. fleeing the thief B. was fleeing the thief C. the thief was fleeing D. fled the thief
查看完整题目与答案
【多选题】电容滤波电路的特点是( )
A.
适用于小电流负载
B.
适用于负载电流较大的场合
C.
输出电压平均值较小
D.
输出电压平均值升高
查看完整题目与答案
【单选题】The thief was caught______ he was leaving the shop.
A.
as
B.
after
C.
before
查看完整题目与答案
【判断题】电容滤波电路中RL值越大,滤波效果越好。( )
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【单选题】The thief was caught ______ he was leaving the shop.
A.
after
B.
as
C.
before
查看完整题目与答案
【多选题】选择滤波电路所用的元件滤波电容时,主要考虑的参数是:
A.
滤波电容的容量
B.
滤波电容的耐压
C.
滤波电容的电流
查看完整题目与答案
【简答题】complain 的名词形式是 () 2. condemn的名词形式是() 3. fertile 的反义词是 () 4. ripe 的动词形式是() 5. scarcity的形容词形式是()
查看完整题目与答案
【多选题】在整流电路中广泛使用电容滤波,下面有关电容滤波正确说法有:
A.
电容相当于一个蓄水池,使用的电容越大抑制电压波动的效果就越好
B.
当滤波电容脱落时对滤波效果影响不明显
C.
滤波电容越小抑制电压波动的效果就越好
D.
连接滤波电容时要注意电容的极性
查看完整题目与答案
【单选题】The thief was( )by the police at the railway station.
A.
carpet
B.
mined
C.
captured
D.
mounted
查看完整题目与答案
【单选题】Soon the thief was caught and fined five times______he should have paid.
A.
. as many money as
B.
. the amount of money
C.
. the money as
D.
. more money as
查看完整题目与答案
【简答题】Hearing the dog barking fiercely, away . A. fleeing the thief B. was fleeing the thief C. the thief was fleeing D. fled the thief
查看完整题目与答案
【多选题】电容滤波电路的特点是( )
A.
适用于小电流负载
B.
适用于负载电流较大的场合
C.
输出电压平均值较小
D.
输出电压平均值升高
查看完整题目与答案
【单选题】The thief was caught______ he was leaving the shop.
A.
as
B.
after
C.
before
查看完整题目与答案
【判断题】电容滤波电路中RL值越大,滤波效果越好。( )
A.
正确
B.
错误
查看完整题目与答案
参考解析:
知识点:
题目纠错 0
发布