单项选择题
A. It will prompt users to boast more about their achievements. B. It undermined users’ life satisfaction. C. It will reduce netizens’ use of the site. D. It makes netizens refuse to visit the Facebook.
A. More than 1 million charge station locations will be available in the United States by 2015. B. Google is devoted to mapping the location of charging stations worldwide. C. Energy department is cooperating with Google and National Renewable Energy Labs. D. Energy Department is creating a reliable infrastructure that supports the use of electric vehicles.
A. An English writing textbook. B. A math textbook. C. A novel. D. Textbook for marital relations class.