The day before Do it for Dolly Day, a new report came. It said that almost one in four Australian teenagers have experienced cyber-bullying(网络欺凌). Do it for Dolly Day is an event to remind people of the risks of online bullying, following the death of Dolly Everett in 2018.

The new report was from McAfee. McAfee asked 15,500 parents and 12,057 children across the country some questions on cyber-bullying. It found that 24 percent of Australian children reported experiencing bullying online. But just 20 percent of parents knew that their children had experienced online bullying.

McAfee said the report’s findings should be a “wake-up call” to parents, teachers and schools. McAfee also said now Australia’s high rate(比率) of cyber-bullying was mainly because of more teenagers being online and using social media(社交媒体).

Spokeswoman Jessie Mitchell called the report’s findings “worrying”. She said she hoped teenagers experiencing bullying online feel comfortable to tell it to their parents or teachers. Also they should know how to keep the messages, then turn to the school for help, or report bullying to the police. 

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1.What is the purpose of Do it for Dolly Day?

A To protect parents from online bullying.

B To stop people from using the Internet.

C To ask people to remember Dolly Everett.

D To make people know the risks of online bullying.

解析：选D。D细节理解题。根据第一段第三句“Do it for Dolly Day is an event to remind people of the risks of online bullying”可知，它是为了让人们知道网络暴力的风险。故选D。

2.How many people did McAfee survey(调查) for the report?

A 15,500.

B 12,057.

C 27,557.

D 5,994.

解析：选C。C数字计算题。根据第二段第二句“McAfee asked 15,500 parents and 12,057 children... ”可知，McAfee采访了15500名父母和12057名孩子，一共调查了27557个人。故选C。

3.Why do more Australian children experience cyber-bullying?

A Because they don’t go online.

B Because they use the Internet more.

C Because they like to share experiences.

D Because parents don’t care about them.

解析：选B。B 推理判断题。根据第三段第二句可知，澳大利亚现在网络欺凌的高比率主要是因为更多的孩子上网和使用社交媒体，由此可知，是因为他们更多地使用网络。故选B。

4.What does the underlined word “it” refer to?

A The report.

B The finding.

C The bullying.

D The school.

解析：选C。C词意指代题。根据最后一段可知，Jessie Mitchell希望遭遇网络欺凌的孩子们放心地把它(受欺凌)告诉父母或者老师。故选C。

5.What’s the main idea of the passage?

A Do it for Dolly Day is an important event.

B Australian children like to use social media.

C McAfee made many reports about cyber-bullying.

D Australian teenagers experience online bullying.

解析：选D。D主旨大意题。根据全文内容可知，本文主要讨论了许多澳大利亚青少年遭遇网络欺凌。故选D。