Which of the following is the best title of the passage？A．How to Make AerographiteB．A Ligh

About Aerographite, which of the following is TRUE?

A．Air in this material is its own weight.

B．It is light because it"s airy.

C．It is as light as helium balloon.

D．Air makes it heavier than other materials.

According to the passage, Aerographite

A．looks like foam.

B．is hard when builting Formula One race cars.

C．can be used to remove weight.

D．has small pores in it.

It can be inferred that making the new material lighter

A．is the aim of the nanotechnology researchers.

B．is built into a network of branching nanotubules.

C．can make the material more useful in electronics.

D．is out of nanotechnology researchers" expectation.

According to the first paragraph, Aerographite is

A．six times lighter than the last record-holder.

B．created by American researchers in Hamburg.

C．the lightest material in the world so far.

D．less than a quarter the weight of air.

th the Internet?

A．The movie industry should stick to their brutal fighting.

B．Copy protection will prevent the pirated movies.

C．Movies should be made available to rent online for free, paid for by ads.

D．Online renting instead of fighting is the better way out of the illegal piracy.

What will possibly be the result of movie industrys fighting with the Internet?

A．The movie industry will eventually work with the Internet.

B．Some of their lost profit will be made up for by fighting the Internet.

C．The movies will be made available for free at websites paid for by ads.

D．Copy protection will be dropped and every movie will be available.

According to the passage, which of the following is NOT true?

A．You can"t get the DVD extras online because you pay less than rent a DVD.

B．You have to finish the DVD within one day when renting it online.

C．Some classical movies are still unavailable even after they are finished in the theatres.

D．New movies can be seen only some time after their release.

Facing the trend, what is the intention of movie industry?

A．They decide to take the opportunity to make more money.

B．They make it easier to rent movies online.

C．They seem going to give up the benefit from the Internet.

D．They leave the money on the table for everyone to take.

The phrase "dead as a doornail" in Paragraph 1 most probably means

A．unmovable.

B．disappearing into history.

C．undoubtedly dead.

D．dying out.

The word "hominins"(Line 1, Para. 1)most probably means

A．the kind of apes which modern humans derived from.

B．ancient human tribes from another country.

C．branches of human ancestors.

D．a group of people living in the caves.