【判断题】
答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”Donald Robbins begin jogging a few year ago because he felt he was too fat.
【判断题】
答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”Some childrens programs are educational and give useful and helpful information.
【判断题】
阅读课文II. Television and Children,判断下列句子表述内容的正误:The negative influence of television can be avoided.
【多选题】
A: Good afternoon, madam.___________ ?B: I hope so. Id like to have a pair of shoes to match my new red dress.
③
Is there anything that I can do for you
【单选题】
These exercises_________ tomorrow.
【单选题】
A: Can you_________ your school in English?B: Yes, of course.
【单选题】
As we know, the most important_________ of television companies is profit.
【单选题】
The postage rate was high in the past, because post offices had to send many people to_________ the postage.
【判断题】
若A,B皆为n阶方阵,则行列式 |AB|=|A||B|
【判断题】
四对事件<img class=jc-formula data-tex=\left\{ A,B \right\} ,\left\{ \bar { A } ,B \right\} ,\left\{ A,\bar { B } \right\} ,\left\{ \bar { A } ,\bar { B } \right\} src=https://huaweicloudobs.ahjxjy.cn/09AB2E5D303C7574090E3958A0C4BB91.png style=vertical-align: middle;/>,有一对独立,则其他对也独立。