— Space travel must be very very expensive.— . The cost of a seat on the Virgin craft is

听力原文：W: You've got a new camera. It looks good and must be very expensive.

M: It is good. But I got it for next to nothing.

Q: What does the man mean about his camera？

(19)

A．He got the camera at a very low price.

B．The camera is very expensive.

C．The camera is worth nothing.

D．He does not like the camera.

What is the relationship between meteors and meteorites？

A．When meteors travel through space and arrive in the earth, all of them become meteorites.

B．When meteors travel through space and land on the earth, swarms of meteor particles are called meteorites.

C．When meteors travel through space and arrive in Earth, only very large meteors become meteorites.

D．When meteors travel through space and land on the earth, thousands of meteors become meteorites.

This bike is very expensive. It will ______ you at least 200 dollars.

A．take

B．spend

C．cost

NASA thinks space travellers must ______ to do private space travel

A．observe safety measures carefully

B．have a new desire to use space vehicles for civilian travel

C．nagotiate with Russia or NASA

D．be as rich as Dennis Tito and Mark Shuttleworth

A．Sure. Here you are.

B．The dictionary is very expensive.

C．The dictionary is very useful.

D．Thank you very much.

This bike is very expensive. It will ______ you at least 200 dollars.

A．take

B．spend

C．cost