单项选择
1.--Don't smoke here,man. Smoking ___ in public places. --Oh, sorry. I'll stop right now. A. isn't allowed B. aren't allowed C. doesn't allow 2.--Could you ____ me ___ the Palace Musuem? -- Certainly. I know it well. A. show; to B. show; around C.bring; to 3.It's reported that Chinese ____ more than 40 minutes a day reading WeChat. A. spend B. cost C. pay 4.It's really ____ you not to tell your parents about the problems. Do you think you can solve them on your own? A.smart of B. smart for C. silly of 5.You can phone me at work____ you don't make it a habit. A. as soon as B. as long as C. when 6. It necessay to have everyone understand how your invention___. A. work B. works C. start.
A number of lucky students at 21 elementary schools in South Korea are testing a robot teacher. They are trying to put ___ into people's daily life. In order to teach_____, the robots not only read English books, sing English songs but also play alphabet(字母表) games. Also, they walk around the _____, ask students to listen carefully, and even d_____ to the music. The robots are ____ by human teachers, who can hear and see _____the children do with a control device(装置). With the help of the teachers, the children can also watch the teachers on the screens and f____ the robots. The robots can do well in _______, and children can learn _____ from them. The govenment will send robots to mountains villages instead of human teachers. Although robots are proved to be able to teach, the government says that these robots will only h____ human teachers, not replace them in the near future.