A．苯扎溴铵B．十二烷基硫酸钠C．普朗尼克F-68D．卵磷脂E．硬脂酸 阴离子表面活性剂有

What are these two talking about？

[A] An appointment.

[B] School hours.

[C] A part-time job.

[D] Vacation plans.

About how long does it take to do the experiment？

A．Just five minutes.

B．Slightly less than an hour.

C．Between one and two hours.

D．A little more than two hours.

听力原文：How did you like the film？

(2)

A．It was a waste of time.

B．No. I didn't.

C．Yes, I did.

D．It lasts two hours.

What are these two talking about？ 查看材料

A.An appointment．

B.School hours．

C.A part-time job．

D.Vacation plans．

A．About 50 pages.

B．It is very long.

C．About two hours.

D．It is two hours.

A．About 50 pages.

B．It is very long.

C．About two hours.

D．It is two hours.

听力原文：What time does the film begin？

Woman: Would you like to see a film this afternoon？

Man: OK. What time？

Woman: It starts at quarter to two but we need tickets, so let's meet at the cinema at quarter past one.

Man: How long is the film？

Woman: One and a half hours.

What time does the film begin？

Speaker A; The film starts at 8:Its already 8: Speaker B: ______

A．Let"s try to make it.

B．Maybe it will last two hours.

C．Do you know the name of the film？

D．Let"s go to see the film. I"ve heard it"s a wonderful one.

The film ______ three hours. It is the longest one i have cver seen.

A．lasted

B．stayed

C．finished

D．ended

A．About 30 hours.

B．About 13 hours.

C．About 16 hours.

D．About 60 hours.