2. 外语
  3. Many types of rock are __ from volcanoes as solid, fragmentary material.

Many types of rock are __ from volcanoes as solid, fragmentary material.

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问题 Many types of rock are __ from volcanoes as solid, fragmentary material.
选项 A、ejected
B、injected
C、propelled
D、flung
答案A
解析 eiect意为“驱逐，逐出；喷射，排出”，强调，“由内及外”，同drive out，expel，remove，例如：The    fire ejected yellow：flames into the night sky．大火向夜空喷出黄色的火焰。inject意为“注射(药液等)，给……注射；注入，引入，投入”，同fill，insert，例如：We hope to inject new life into our business．我们希望使我们的业务工作充满朝气。propel意为“推进，推动；激励，驱使
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