Improvement can be achieved through following a dairy system.

Which of the following can be seen as the effect of the Montreal Protocol？

A．Increase of CFC pollution.

B．Ozone improvement in the upper stratosphere.

C．Ozone improvement in the lower stratosphere.

D．Increase of bromine gas levels in the atmosphere.

A．dimension

B．vicinity

C．magnitude

D．scope

It can be inferred from the text that______．

A.the improvement of average reaction time of American is oweing to fast’action video game playing

B.accute perception of surrounding information is essential to human being’s survival in this society

C.more and more Americans will be advocated to play fast-action video games because it can help to reduce accidents on roads

D.not all video games will lead to better perceptual skills

A、A. promise

B、B. pledge

C、C. engage

D、D. guarantee

It can be seen from the last paragraph that treatment of the disorder______.

A．has no positive effect at all

B．is unavailable to most sufferers

C．tends to be refused by the sufferers

D．can lead to improvement in the sufferers' lives

There is not much the airlines can do when it comes to________．

A．making sure the departure are not delayed

B．the efficient handling of luggage

C．speeding up customs procedure

D．the improvement of the condition of waiting lounges

It can be concluded from the passage that______.

A．it is justifiable to include English as a school subject

B．the author disagrees with the speaker over the standard of English at Grade 9 level

C．English language teaching is by no means an easy job

D．language improvement needs time and effort

There is not much the airlines can do when it comes to

A．making sure the departures are not delayed.

B．the efficient handling of luggage.

C．speeding up customs procedure.

D．the improvement of the condition of waiting lounges.