变压器硅胶在干燥情况下和吸潮达到饱和状态呈现的颜色各为（）
A.无色
B.浅蓝色
C.淡红色
D.深灰色
参考答案：B, C
—Life is full of opportunities for you.
—That’s right. _____ .
A．It’s my cup of tea.
B．I have butterflies in my stomach.
C．It will cost an arm and a leg.
D．The world is my oyster.
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