What of the following is implied in the passage（）
A. In the newest teaching buildings, classrooms are much bigger
B. In the schools of second generation, different grades were put in separate classrooms
C. In the earliest school classrooms, students’ desks were fixed to the floor
D. Before the mid-1950s, school buildings were built in a conservative way
查看答案
What’s the biggest difference between the earliest and the second-generation schools（）
A. Subjects were newer in the latter as compared with the former
B. Teaching methods were newer in the latter as compared with the former
Classrooms were laid out formally in the former and informally in the latter
D. The former had separate classrooms for different grades while the latter didn’t
Why are new college students most likely to get addicted to the Internet（）
A. Because colleges provide Internet access 24 hours a day
Because they are not watched by their parents when at college
C. Because they need to use the Internet to keep in touch with their friends
D. Because they are so homesick that they spend all their spare time online
When should we take a step back from the Internet（）
A. When we prefer to shop and read news online
B. When we tell others how much we like the Internet
C. When we use the Internet to stay in touch with our friends
D. When we still think about the Internet when we are offline
What can we learn about endorphins and Internet addicts from the text（）
A. Endorphins are the essential brain chemicals that cause Internet addiction
B. Endorphins can provide useful, real-life awards, which can help prevent Internet addiction
C. Endorphins can encourage Internet addicts to talk and spend time with their family and friends
D. Endorphins may be released continuously and for a long time in the brains of Internet addicts
微信支付 
支付宝支付