【单选题】Tom wants to study at _______ university in Europe, but hasn't decided which one to go to yet.
【多选题】存款单位支取定期存款须采取转账方式,支取其从()转存的定期存款时,可将存款转入其原转存账户或其基本账户。
【单选题】The early pioneers had to many hardships to settle on the new land.
【单选题】The trade union intended to call on the workers to go on strike ______ the government’s limitation on exports.
【单选题】一般来说,植物性食物因含有( ),比动物性食物蛋白质消化率低。
【单选题】下面换热器的调节介质为热媒油,若物料出口温度过低会导致物料结晶,则执行器可选为()
【单选题】( 32 ) 设有学生信息关系 STUDENT ( sno , sname , sex , age , dept ) 。 “ 查找信息系 ( IS 系 ) 中年龄小 于20 岁的学生的姓名 ” ,该操作正确的关系代数表达式是 Ⅰ . π sname ( σ dept= ’ IS ’ ∧ age<20( STUDENT )) Ⅱ . σ dept=’ IS ’ ∧ age<20 ( π sname...