It appeared that X-rays are not bent, as light is, when______through glass and w

游客2025-03-20  6

问题 It appeared that X-rays are not bent, as light is, when______through glass and water.

选项 A、passed
B、passes
C、being passed
D、passing

答案 D

解析 本题考查非谓语动词,从句的逻辑主语和主句的主语相同,所以用现在分词。题意为,X光似乎和光一样,在通过玻璃和水时,不弯曲。
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