What did the marketers do when facing the parents’ worry of the risks on their kids’ surfing online?
A. The founder of the Digital Family convention said digital media was a great thing and even a 12-year-old can have a personal brand
B. Some marketers are seeking themselves as providing a crucial education in online literacy
C. KidzVuz is a social media start-up aimed at teaching parents how to help their kids to create content at an early age
D. Many social sites are established for kids
查看答案
Scan paragraphs 8-10, which of the following is excluded from the solutions made by some of network marketers to deal with parents’ worries about their kids?
A. Many social media like YouTube & Google bar kids under 13 except Instagram
B. Some children establish their public identities on social-media networks like YouTube and Facebook with their parents’ permission
C. Google will close the accounts of those who fail to meet their age requirements
D. Many sites require their users enter their date of birth upon signing
According to the passage, which of the following statement is not true?
A. Some tweens like Autie are very popular on social media
B. Some tweens hate to be barred from some social media
C. Parents and kids get hard time to get along with on the issue of their kids’ surfing online
D. Facebook’s “fan pages” of tweens can be managed by parents to have a profile page
目前对太阳能的利用方式不包括（）。
A. 光-热转换
B. 光-电转换
C. 光-化学转换
D. 光-动力转换
太阳能热发电系统按太阳能接收方式分为分散式和集中式两种。
A. 对
B. 错
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