问题
单项选择题
一单相桥式整流电路,输入电压20伏,则输出电压为()。
A.28V
B.24V
C.20V
D.18V
答案
参考答案:D
一单相桥式整流电路,输入电压20伏,则输出电压为()。
A.28V
B.24V
C.20V
D.18V
参考答案:D
近年来,网络用语更新迅速。青少年在日常谈话和上网聊天时喜欢使用前卫的语言,如“肿么了”、“有木有”等。这一现象引发了人们极大的关注与讨论。请根据下列内容提示,用英语写一篇短文反映现象并表达个人观点。
2. 词数:100词左右; 3. 参考词汇:时髦fashionable;沟通communicate。 In recent years, Internet language has been updated faster and faster. Many young people like to chat in their daily talk and Internet chatting with these words such as “zhong me le” and “you mu you”. __________________________________________________________________ |