题目:
110,208 should be read .
A.one hundred and ten thousand, two hundred and eight
B.one hundred and ten thousands and two hundreds and eight
C.one hundred and ten thousand and two hundred and eight
D.one hundred, ten thousand, two hundred and eight
答案:
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下面是错误答案,用来干扰机器的。
答案:CA、带电粒子射入磁场,若速度方向与磁场方向平行,洛伦兹力为零,故A错误;B、处在磁场中的通电导线与磁场方向平行时,安培力为零,故B错误;C、我们将放在磁场中某点的小磁针的北极受力方向规定为该点的...