阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。
Can you imagine a world without the Internet?
It is {#blank#}1{#/blank#} (interest) to think about it.
Now, China has more than 800 {#blank#}2{#/blank#} (million) Internet users, according to the
China Internet Network Information Center. This is the {#blank#}3{#/blank#} (high) number of users in the world. Today,
66% of Chinese netizens (网民) are teenagers. "They
spend about 13 hours {#blank#}4{#/blank#} (go) online every week." said Qian Hulin,
{#blank#}5{#/blank#} Internet engineer.
Teenagers surf the Internet to search {#blank#}6{#/blank#} information, communicate with friends and have
fun. On the Internet, teenagers can find out almost anything {#blank#}7{#/blank#} (easy). And surfing the Net can help with
their homework and widen their knowledge.
Li Dong, a teacher {#blank#}8{#/blank#} works
at No. 14 Middle School in Shijiazhuang, likes her students to use the
Internet. "When we talk in class, students who surf the Net usually know
clearly more background information {#blank#}9{#/blank#} the others," she said.
In
addition, people can use the Internet {#blank#}10{#/blank#} (write) letters or stories and send e-mails.
Many teens keep in touch with their friends online. It is cheaper and quicker
than phoning somebody far away.
