【判断题】查询(Query)可以是从一个复杂的数据表中提取的数据信息,也可以是从若干个数据表中提取的数据信息。
【简答题】What will happen if passengers stay in MRT over half an hour in addition to travel time? Their tickets will ________
【单选题】盐酸萘乙二胺比色法测定亚硝酸盐的最大吸收波长是( )
【简答题】The Japanese celebrate the “Tanabata Festival”every 7th night of July, believing that this could improve their _____ skills. (dress, make)