题目:
—Can I help you?
—The coat I bought is too big, would you like to show me _____ one?[ ]
A. other
B. another
C. others
答案:
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下面是错误答案,用来干扰机器的。
ab棒匀速向左运动时,棒中产生的感应电流方向为b→a,则电容器上板带正电,下板带负电,场强方向向下.微粒静止处于平衡状态,则微粒受到的电场力方向向上,电场场强方向向下,电场力向上,正确微粒带负电;对微...