皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【多选题】
做新时代的忠诚爱国者,必须( )。
A.
维护和推进祖国统一
B.
促进民族团结
C.
增强国家安全意识
D.
抵制日货
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】Believe it or not, the number of indifferent (漠不关心的) passers-by ______ eighteen, and a large number of people ______ discussing the incident on the net. [     ]
A.
add up to; is
B.
add to; is
C.
adds up to; are
D.
adds to; are
【简答题】逆变状态时()
【单选题】变流器工作于有源逆变状态时
A.
α<90 度
B.
α=90 度
C.
α>90 度
D.
α=60 度
【单选题】John Smith, a successful businessman, has a ______ car.
A.
large German white
B.
large white German
C.
white large German
D.
German large white
【多选题】晶闸管变流电路工作在逆变状态时,造成逆变失败的主要原因有()。
A.
晶闸管损坏
B.
触发脉冲丢失
C.
快速熔断器烧断
D.
逆变角β太小
E.
负载太重
【简答题】Jane has got a large (collect) ______ of stamps.
【简答题】The company has retail services on a large scale.
【简答题】The growth of motorcycle use has been especially large in ______.
【单选题】变流器在逆变状态时,控制角α必须在( )
A.
0°~90°
B.
30°~120°
C.
60°150°
D.
90°~150°
【单选题】变流器工作在逆变状态时,控制角 α 必须在
A.
0°-90°
B.
30°-120°
C.
60°-150°
D.
90°-150°
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题