A. I'm sorry to disturb you. B. I want to go to Beijing Park. C. I want to see you in the park. D. That's very kind of you.
A. Where do you want to go? B. What do you want? C. Why are you lost? D. That's problem.
A. No, I didn't. B. For two years. C. Yes, of course. D. I traveled around the world.
A. 对 B. 错
A. 第一台电子计算机ENIAC体积庞大,主要的电子元件是晶体管 B. 第一台电子计算机ENIAC管理和操作,是通过人工方式,而不是操作系统 C. 第一台电子计算机采用了二进制和存储程序思想 D. 第一台电子计算机像现在的计算机一样,也有键盘、鼠标等常用的输入设备
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