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【单选题】
电阻R1，R2，R3串联后接在电源上，若电阻上的电压关系是U1＞U3＞U2，则三个电阻值之间的关系是（ b）。A.
R1＜R2＜R3
B.
R1＞R3＞R2
C.
R1＜R3＜R2
D.
R1＞R2＞R3
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】Even though he knew that I should study, he still ______ me to go to the movies.
A.
recognized
B.
extended
C.
persuaded
D.
unexpected
【单选题】Even though he knew he would put his own life _____,he still felt _____ the new treatment. [ ]
A.
at a risk;like to try
B.
at risks;like trying
C.
at risk;like to try
D.
at risk;like trying
【单选题】Even though he knew that I should study, he still ___ me to go to the movies.
A.
recognized
B.
extended
C.
persuaded
D.
scared
【简答题】Why did the professor still decide to participate in the show even though he knew all the answers?
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