Mrs.Luo is a teacher.She asked her students to hand in their homework through a QR code （二维码 ）. "When students finish the homework，they keep it on We Chat.So I can check their homework everywhere using my computer or mobile phone，" said Luo.

   Most students like the new way and think it is interesting. "We are living in the formation age Many students like to work with computers，which makes laming more fun，" "said Tingting，a student of Luo's.

   "The paper is not easy to keep，but the code is easy to keep and share，" Luo said. "It is worth trying to use new technology in education.Education itself is a kind of creation.I don't want my students to fall behind the times， "

   However，some parents are worried.They are afraid that their children will spend too much time on computers and little time communicating with teachers.But in fact，it is unnecessary.Students still need to       information in books and write it down when they do their homework，which doesn't take them too much time.As for teachers，it allows them to check the students' work at any time.And it is also an easy way to share homework with other students.

（1）How did Mrs.Luo ask her students to hand in their homework？ 　    　

A．	Through e﹣mail.
B．	Through the post office.
C．	Through a QR code.

（2）What do most students think of the new method？ 　    　

A．	Interesting.
B．	Boring.
C．	Difficult.

（3）Mrs.Luo finds the new method can let students 　    　.

A．	A hand in homework in time
B．	improve their study
C．	not fall behind times

（4）Which phrase can be put in the underlined place    　    　

A．	look out
B．	look up
C．	look after

（5）What does the passage mainly talk about？ 　    　

A．	A new way to keep homework and its advantaged.
B．	A new way to hand in homework and its advantage.
C．	A new way to do homework and its advantaged.