【简答题】How did the 1/10 of the persons get the cards on that day?
【判断题】均数代表性与标准差之间关系是标准差越小,均数代表性越大。
【单选题】John plays basketball well ,_____his favourite sport is badmiton .
【判断题】兴奋性突触后电位是由于兴奋性递质作用于突触后膜的受体,导致细胞膜的去极化。
【单选题】Is John _______ chess, too? [ ]
【单选题】The sense relationship between “John plays violin” and “John plays a musical instrument” is______.
【单选题】The sense relationship between 'John plays the piano' and 'John plays a musical instrument' is ______.
【单选题】The sense relationship between “John plays the piano” and “John plays a musical instrument” is .
【单选题】The sense relationship between “John plays the violin” and “John plays a musical instrument” is ________.