右圖是甲、乙兩名同學在五場籃球比賽中得分情況的莖葉圖.那么甲、乙兩人得分的標準差 S甲____S乙 (填<,>,= )
>
暫無解析
協調人類和環境關系的首要問題是:()
— The manager of the factory wants to improve production a great deal, but he doesn’t spend much on technology.
— I am afraid he won ’t realize his dream. You know ________.
在中國人眼里,龍是吉祥如意的動物,春節期間,“龍騰虎躍”“龍鳳呈祥”“二龍戲珠”“龍馬精神”的祝福語不絕于耳。從哲學上看,“龍年必定大吉大利”的說法()。
Is it the school _________ you used to study _________ they visited yesterday?
在野外識別地層先后順序的正確方法是:()