题目内容

副溶血性弧菌不能使血平板产生溶血环

A. 对
B. 错

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大肠杆菌不能发酵葡萄糖产气

A. 对
B. 错

金黄色葡萄球菌能发酵葡萄糖产气

A. 对
B. 错

What can we predict from the title of the passage?

A. Tweens are unwilling to show themselves online
B. Tweens prefer dating online secretly
C. Parents have no idea about their kids’ online activities
D. It is hard for parents to supervise their kids’ online activities

Which of the following statements is not true about the present situation of kids’ surfing online?

A. Kids are constantly seeking new places to connect, so parents find it difficult to prevent them from interacting with social media
B. Most of kids have their own mobile phone at young age and it provides an opportunity for them to contact with technology
C. Many marketers are trying to develop social networks and other interactive applications for kids that parents will approve
Different parents have different attitudes toward kids’ surfing online

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