The ______ meter can detect even a very small amount of gas in the room.

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问题 The ______ meter can detect even a very small amount of gas in the room.

选项 A、sensible
B、sensitive
C、sensing
D、sensed

答案B

解析 本题测试同根异义词。四个选项都跟sense有关。sensible可感觉的,合理的;sensitive意为“敏感的,灵敏的”,在本句中表示“灵敏度高的仪表”。C和D分别是sense(感觉,感到)的现在分词和过去分词形式。
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