Choose the best answer for each of the following statements or questions according to the text.A typical instant-messaging conversation lasts ________.

A. at least one hour
B. more than one hour
C. at least half an hour
D. more than one place

Julia Long is ________.

A. thirteen years old
B. a teacher
C. Oliver's father
D. Taylor's mother

Teachers get upset about instant messaging because ________.

A. children use Internet slang and emoticons in their writing
B. children have trouble with Internet slang and emoticons
C. children cannot tell “it's” from “its”
D. children are sending instant messages in the classroom

In an instant message, “G2G”probably means “________.”

A. got too much
B. got to go
C. got two goals
D. got to guess

Which statement is NOT true according to the text?

A. Instant messaging is producing old fears.
B. Children are writing when they send instant messages.
Children's typing skills are improving.
D. Instant messaging is getting in the way of children's lives.

Fill in the blanks with the missing words according to video 1：The goods, bothe being , are subject to damage or loss over a .

Platforms of __________________ can also provide service of insurance.

Different insurances cover against different risks, which are normally sorted as ,, and .

Match the English wordswith the correctChinese meaning.

Match the correct sentence with its function: