37. _________ produces a crimson glow in a
vacuum tube and is used extensively in
advertising displays.
Neon that
When neon
Neon
There is neon
答案是C, produce 是动词 glow 是动词吗?如果是,那么就应该有个连词。请指教!谢谢!
举报
glow是which is glow 的省略
修饰crimson
,glow是名词,a crimson glow深红色的光
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