interaction. It's important that young children learn by doing and not by watching. Also an iPad can be addictive (上瘾的) when used too much. Even though it's OK for 2­year­olds to use an iPad, children up to the age of 3 will learn better from real world experiences than from any type of electronics, expecially when it comes to language.

　　When parents decide to let their children start using the iPad, it's important that they establish some rules and limitations ...

　　5．The American Academy of Pediatrics shows that ________.

　　A．parents usually let kids over two use an iPad

　　B．iPads aren't different from other electronics

　　C．kids usually use an iPad in moderation

　　D．kids under two shouldn't use an iPad

　　解析：选D　细节理解题。根据第二段的"According to the American Academy of Pediatrics, children under the age of 2 should have no screen time at all."可知，未满两岁的小孩不应该使用平板电脑。

　　6．What does the study conducted by PBS mainly show?

　　A．Educational apps are popular with kids.

　　B．Using an iPad can help kids learn words.

　　C．Kids can improve vocabulary in various ways.

　　D．An iPad is used in speech and language therapy.

　　解析：选B　细节理解题。根据第三段的"In a two­week study ... in two weeks."可知，这个研究表明，小孩可以用平板电脑学习单词。

　　7．What is the author's attitude toward kids using an iPad to learn language?

　　A．Interested. B．Favourable.

　　C．Critical. D．Completely against.

　　解析：选C　观点态度题。根据第四段的"Even though it's OK ... comes to language."可知，作者认为小孩通过现实生活学习语言更好，故作者对小孩通过平板电脑学习语言是持批判态度的。

　　8．The text is probably followed by ________.

　　A．how children use an iPad

　　B．the author's opinion on iPads

　　C．why children love using an iPad

　　D．some detailed rules and limitations

解析：选D　推理判断题。根据末段的"it's important that they establish some rules and