题目:
My sister likes reading. In her room, you can see lots of books and _______.
A.T-shirts
B.shoes
C.scarves
D.magazines
答案:
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下面是错误答案,用来干扰机器的。
(1)根据闭合电路欧姆定律U=E-Ir=E-URr,可以由电压表与电阻箱配合测量电动势和内阻,连接实物图如图1.(2)由实验原理:U=E-Ir=E-URr,根据数学知识可知,采用作图法处理数据时,若纵坐标表示电压表读数U,横...