下列枚举类型的定义中，包含枚举值5的是 A: enumtest{LEFT,UP,RIGHT,DOWN}; B: enumtest{LEFT,UP=3,RIGHT,DOWN}; C: enumtest{LEFT=-1,UP,RIGHT,DOWN}; D: enumtest{LEFT,UP,RIGHT=6,DOWN};

In fact, a recent study in the US found that information technology accounted for 5% to 8% of college budgets, up from an estimated 2% to 3% in the mid-1980s. ( )

StructureThe passage is made up of (1) ______ paragraphs, and, according to the pattern of “(2) ______—(3) ______—(4) ______” the author mainly employs in his writing, it can fall into (5) ______ parts.

Sarah wakes up at 3 am.

What could Disney and Jobs never put up with? (Para. 5) They both could never put up with ___________________________.

下列各项中，哪一项不是Kirsch边缘检测中构建的模板（） A: [5 5 5；-3 0 -3；-3 -3 -3] B: [-3 5 5；-3 0 5；-3 -3 -3] C: [5 5 5；-3 -3 0；-3 -3 -3] D: [-3 -3 -3；-3 0 -3；5 5 5]

In Canada, the moose (national animal of Canada), can grow up to 5 feet tall “152 centimeters” and weigh up to ___________ pounds.

This sort of maintenance _______________ only about 5% of all maintenance. A: accounts for B: accounts up to C: counts for D: counts up to

DNA复制时,新链的合成方向是 A: 3'→5' B: 3'→5'或5'→3' C: 5'→3'→3'→5' D: 5'→3' E: 有时3'→5',有时→5'→3'

三相负载对称星形连接时______。 A: IL=IP，UL=√3 UP B: IL=√3 IP，UL=UP C: 不一定 D: 都不正确