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某一物种的盖度与盖度最大物种的盖度比称为盖度比。 ()

A. 正确
B. 错误

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袋中有8个乒乓球，其中5个白色球，3个黄色球，从中一次任取2个乒乓球，则取出的2个球均为白色球的概率为

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听力原文： American law makers visiting Pakistan say President Pervez Musharraf may soon announce new measures to ease tensions with India. General Musharraf is to give a speech to the nation later this week. American Senator Joseph Lieberman said the Pakistani president may propose a plan to control militants in his country. Mr. Lieberman said he hopes both India and Pakistan withdraw troops from their shared border. He spoke in Islamabad. Indian officials say Islamic militants have attacked an Indian army camp in Kashmir. The officials say one Indian soldier and two militants were killed. Later Indian and Pakistani soldiers shot at each other across the border in northwestern Kashmir.
Q: When will President Musharraf give a speech？
(17)

A. Next week.
B. This week.
C. Last week.

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John: The radio's terribly loud. Could you turn it down a little？ Peter : Sorry ! ______.

A football match was broadcast live on it
B. I forgot where I put my soap this morning.
C. Is it disturbing you？
D. Could you repeat what you said？

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What's the ultimate purpose of strength-training with weights？

A. To increase the pace of your aerobic exercise.
B. To burn more calories and lose weight.
C. To build muscle and lose weight.
D. To shape your body and make your life more enjoyable.

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某一物种的盖度与盖度最大物种的盖度比称为盖度比。 ()

A. 正确 B. 错误

袋中有8个乒乓球，其中5个白色球，3个黄色球，从中一次任取2个乒乓球，则取出的2个球均为白色球的概率为

John: The radio's terribly loud. Could you turn it down a little？ Peter : Sorry ! ______.

What's the ultimate purpose of strength-training with weights？

A. 正确
B. 错误