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The World Is Getting Smaller and Smaller
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问答题
Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and by to understand the meaning.’ For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minutes to check through your work once more. Please write the whole passage on ANSWER SHEET TWO.
单项选择题
Those studies carried out in North Carolina suggest that _________.
A．trees' function for absorbing carbon dioxide is limited
B．carbon dioxide is the main cause for global warming
C．leaves falling from trees can emit more oxygen
D．more carbon dioxide is beneficial for trees' growth for many decades
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