【简答题】Watch the TED lecture- Why Should You Talk to Strangers •Answer the questions : (1).Do you think whether greeting the strangers is meaningless? (2).How did the old man’s saying make the speaker feel? ...
【多选题】以下说法正确的是()
A.
电容器是一种能储存电荷或者说储存电场能量的元件;
B.
电容的元件特性是电路物理量电荷q和电压u的代数关系;
【单选题】— Do you have ______ ready for the opening ceremony, Ted? — No, we still need some volunteers. [ ]
【单选题】Ted is such a helpful colleague that he is willing to do, ________, any favour we might ask him.
【单选题】—Do you have ready for the graduation ceremony,Ted? —No,we still have to find a famous speaker.
【多选题】下列说法正确的是__。
A.
电容器是一种能储存电荷或者说储存电场能量的元件
B.
电容的元件特性是电路物理量电荷q和电压u的代数关系
【判断题】夏秋开花的种类修剪时一般在开花后进行重短截,因为其花芽大部分着生在枝条的上部或顶端。