地西泮加硫酸溶解后，在紫外光（365nm）下呈（） A.红色荧光 B

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问题单项选择题 A1/A2型题

地西泮加硫酸溶解后，在紫外光（365nm）下呈（）

A.红色荧光

B.橙色荧光

C.黄绿色荧光

D.淡蓝色荧光

E.紫色荧色

答案

参考答案：C

解析：《地西泮溶解于硫酸后，在紫外光(365nm)下呈黄绿色的荧光，可供鉴别。

阅读理解

阅读理解，判断文后的正(T)误(F)。

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( ) 3. When the soil is dry again, water it.

( ) 4. Don't forget to put the pot in the sun every day.

( ) 5. Wait for the peach tree to grow.

单项选择题

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