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1 . Aided by heat and strong winds, the fire quickly ________ (spread). (所给词的适当形式填空)
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2 . Sadly, the population of monarch butterflies has ________ dramatically over the recent years.
| A．exploded | B．crashed | C．risen | D．spread |
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3 . Our meetings are carefully scheduled throughout the day, and seldom into the evenings.
| A．relocate | B．stretch | C．spread | D．expand |
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4 . News ___________ (传播) quickly that Lang Ping had retired from the national team. (根据汉语提示单词拼写)
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5 . Several months ago, a virus________ (spread)quickly broke out in many regions, and then a large amount of equipment as well as the medical experts was sent to these places. （所给词的适当形式填空）
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6 . From 1830 to early 20th century, the Industrial Revolution______________ (蔓延，扩散)through Europe and the US and then to other countries such as Japan. (根据汉语提示单词拼写)
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