在命令窗口中输入下列命令: A: (12+4)*8 B: 9+4*5 C: 10%6 D: 运行结果为(). E: 128  29  4 F: 44  29  4 G: 128  29  6 H: 44  29  2

In the current national standard of Hongmu, the range of mahogany listed includes: A: 33 species, 8 classes, 5 genera. B: 29 species, 7 classes, 5 genera. C: 29 species, 8 classes, 5 genera. D: 29 species, 9 classes, 5 genera.

下列记录格式正确的是（）。 A: 28°6′6″ B: 28°6′06″ C: 28°06′06″ D: 028°06′06″

Section BListen to the short dialogues and choose the best answer to each question.8. A: 06:30 B: 06:20 C: 06:40 D: 06:10

给定关系模式R（U, F），U=｛A, B, C, D, E｝，F＝{B→A，D→A，A→E，AC→B｝，其候选键为（ ）。 A: ABD B: ABE C: ACD D: CD

设函数y=f(x)有二阶导数，对任意实数x，满足：f(x)=-f(-x)及f(x)=f(x+1)，若f'(1)＞0，则有 ( ) A: f"(-5)≤f'(-5)≤f(-5) B: f(-5)=f"(-5)＜f'(-5) C: f'(-5)≤f(-5)≤f"(-5) D: f(-5)＜f(-5)=f"(-5)

下列记录格式正确的是：: 28°06′06″/#/28°06′6″/#/28°6′06″/#/28°6′6″

某直线坐标方位角为45°21’06"，则该直线反坐标方位角为（）。 A: 135°21’06" B: 315°21’06" C: -45°21’06" D: 225°21’06"

If Sarah hadn’t come to the cabin, （） A: Abe’s father wouldn’t have told him not to go to school B: Abe wouldn’t have helped his father on the farm C: Abe wouldn’t have had so much time to read D: Abe’s father wouldn’t have told him to stop reading

Photoshop常用的文件格式有() A: psd B: jpg C: png D: gⅰf