One result that information technology has brought about for the transportation industry i

Using the Internet has helped the transportation industry______.

A．communicate more efficiently with their customers

B．communicate with suppliers

C．reduce costs

D．reduce the gross domestic product

What do we learn from the text?

A．Information technology is important for the transportation industry.

B．The transportation industry has completed the task of using information technology to improve critical systems.

C．Many people fail to realize the importance of the transportation industry.

D．Many people fail to realize the importance of information technology.

The text tells us that the universe______.

A．was formed by a random observer

B．has been in existence for an infinite amount of time

C．has undergone change over time

D．is constantly expanding

When does Miralda-Escude estimate the first star appeared?

A．75 million years ago.

B．14 billion years ago.

C．14 billion years after the big bang.

D．75 million years after the big bang.

he universe?

A．Through expulsion from black holes.

B．Through the explosions of stars.

C．Hydrogen propulsion.

D．Theoretical balancing.

What caused the differences in the density of matter to grow larger?

A．Gravitational attraction.

B．Little differences in the density of matter.

C．The big bang.

D．Massive stars.

In the text, the "Dark Age of the Universe" refers to______.

A．the formation of the first stars

B．a period during which black holes were prominent

C．a period following the big bang

D．the time before the universe began

The incident of New Yorks rubbish ship took place because______.

A．people were ignorant of the rubbish disposal capacity of their country

B．government was in great dilemma of whether starts recycling or not

C．economics was in such recession as not be able to dispose the garbage

D．U.S. didn"t have enough dump sites to digest the waste

By mentioning the definition of waste, the author intends to_____.

A．clear the misunderstanding of its meaning and its coverage

B．state that people tends to "like the new and hate the old"

C．manifest the fact people don"t record things about rubbish by sarcasm

D．prove that ignorance can lead to terror and inaction

The example of Britain indicates that______.

A．a large proportion of waste is generated by developed countries

B．there are many other kinds of rubbish besides municipal waste

C．mining extraction generates large quantity of waste

D．agricultural waste makes up a large proportion of the total