皮皮学，免费搜题
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搜题
【单选题】
进行氧化还原电位滴定时,应选择的指示剂是A.
玻璃电极
B.
铂电极
C.
汞电极
D.
银电极
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When he heard the news , he stared at me ______. [ ]
A.
in amazement
B.
in disguise
C.
in brief
D.
in particular
【简答题】简述维生素C的生理功能。
【简答题】He was so suprised at what I said and stared at me in _____(belief)
【单选题】He stared at me _____ seeing me for first time. • •
A.
as if
B.
while
C.
after
D.
when
【单选题】I told Johnson the poem was written by me. However ,after hearing this ,he stared at me ________.
A.
in common
B.
in danger
C.
in disbelief