黑热病病人死亡的原因是A．免疫复合物引起的变态反应B．白细胞减少，机体抵抗力降低，并发各种感染疾

Understand what Jet Lag is, and how a careful diet can______(minimum)its worst effects, and your flights will be less stressful.

What information can we get from the first passage？

A．It is the jet stream that affects how fast airplanes fly

B．Planes go slower when they are moving with the wind

C．It takes more time to fly from NY to London than from London to NY

D．The jet stream always blows from the east to the west across the Atlantic

What can we infer from the conversation？

A．Jane has just learned to drive.

B．Jane's car is in bad condition.

C．Mike will go to the airport.

D．Mike won't go to the airport.

What do we know about Kate？

A．She will go to New York with Jack's roommate.

B．She can drive.

C．She has never been to New York.

D．She invites Jack to go with her to New York.

听力原文：How can we go there？

(14)

A．Let's go there by bike.

B．No, I can't.

C．Let's meet there.

A．A. what was going on there

B．B. what are they doing there

C．C. what were they doing there

D．D. what is going on there

What can we learn from the passage？

A．People usually stand in line in British bars.

B．It's easy for foreigners to understand British bar culture.

C．Customers treat bar tenders as friends.

D．You are not allowed to make noise in British bars.

What are we told about people suffering from Alzheimer's disease？

A．They don't understand the mechanisms of memory.

B．They can't remember who they are.

C．They forget how to perform. simple tasks.

bout time __________？

A) we are going home B) we go home

C) we went home D) we can go home