【判断题】在表达式中,运算符的执行有先后顺序,这种顺序称为运算符的优先级。
【单选题】2012
A.
I asked the motorman to start the fuel oil booster pump but he didn't do it.
B.
I tried to start the fuel oil booster pump but it didn't start.
C.
The motorman failed to start the fuel oil booster pump.
D.
I asked the motorman to help me start the fuel oil booster pump.
【单选题】记录单是用来管理表格中每一条记录的对话框,使用它可以方便地对表格中的记录执行,有利于数据的管理。以下不是记录单能完成的功能的是 ( ) 。 (5分)
【单选题】Timothy Roberts
B.
He returns the wallet.
C.
He directs a customer to the boys’ section.
D.
He shakes Mr. Patel’s hand.
【单选题】Timothy Berners-Lee, might be giving Bill Gates a run for the money, but he passed up his shot at fabulous wealth—intentionally—in 1990. That's when he decided not to patent the technology used to cre...
A.
created the most important innovation in the 1990s.
B.
accumulated as much personal wealth as Bill Gates.
C.
patented the technology of Microsoft software
D.
given his brainchild to us all.
【判断题】植物性鲜奶油保存时间较动物性鲜奶油要长,可以冷冻保存,而且比动物性鲜奶油容易打发,比较适合用来裱花。
【单选题】裴斯塔洛齐是十八世纪下半叶到十九世纪初期的()(国)著名的民主主义教育家。
【多选题】记录单是用来管理表格中每一条记录的对话框,使用它可以方便地对表格中的记录执行,有利于数据的管理。以下是记录单能完成的功能的是( )
【单选题】Who refused Russia's request for the extradition of Chechen envoy?