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问题
单项选择题
料中的磁通密度通常用什么表示?().
A.符号μ
B.符号σ
C.字母B
D.字母H
答案
参考答案:C
填空题
信息归纳。
Members
(1) ________, Apaul, (2)________ and Ringo
Country
(3)_________
Things
Hot songs
1962
All the members came together
(4)__________
1963
They traveled to the (5)________
Please Please Me
1967
They recorded their landmark
songs in rock history.
Sergeant Pepper's Lonely Heart's
Club BanD.
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判断题
对会计核算软件自动产生的机内记账凭证经审核登账后,不得进行修改。( )
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