2. 外语
  3. It’s said that plants __________ with a virus give off a gas that stimulates disease resistance in neighboring plants.

It’s said that plants __________ with a virus give off a gas that stimulates disease resistance in neighboring plants.

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问题 It’s said that plants __________ with a virus give off a gas that stimulates disease resistance in neighboring plants.
选项 A、interacted
B、inflicted
C、infected
D、induced
答案C
解析 据说受到某种病毒感染的植物会散发出一种气味，这种气味能够刺激它们周围的其他植物分泌抗病物质。本题考查动词的用法。interact是“相互作用，相互影响”；inflict是“使承受，承担”；infect是“感染，传染”；induce是“引诱；导致，引起”。
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