【单选题】1834年,英国人威廉·霍尔纳(Wi11iam Horner)发明了( ),通过旋转转筒,观众可以从转筒上的小孔看到转筒里长长的硬纸片上的一连串活动画面。
【单选题】1834年,英国人( )发明走马盘。这种走马盘在硬纸上画有一连串的形象。“走马盘”,比“诡盘”有了明显的改进。
【单选题】Because the actual center of some planets may differ from the observed center,the navigator applies a correction known as the().
C.
semidiameter correction
D.
augmentation correction
【单选题】请阅读下面的程序 public class Test { public static void main(String[] args) { for(int x = 0 ; x <=3 ; x++){ continue; System.out.print(x%2+ ” “ ); } } } 下列选项中,哪一个是程序的运行结果
【单选题】What is the teacher doing in terms on error correction? ' Make a sentence with 'have'! S: He have a car. T: He HA VE a car? S: He HAS a car. ' Very good. He HA S a car.