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【判断题】
线性分组码是一种代数码。()A.
正确
B.
错误
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【简答题】Bayfield Shopping Coupons 1. Six Hours Free Parking If you spend $ 100 or more in our stores you will receive six hours of free parking. When you have spent $100 or more, just take this coupon and you...
【判断题】There are “Your ref” and “Our ref”, which are codes assigned to the letter by the recipient and sender of the letter.
A.
正确
B.
错误
【简答题】在万维网中用来进行搜索的工具叫做 ________ 。
【简答题】My kids and I were heading into the supermarket over the weekend. On the way, we spotted a man holding a piece of paper that said, “ 1 my job. Family to Feed.” At this store, a 2 like this is not norm...
【简答题】One day Mrs.Wilson went shopping with Tracy and Ben.They went to the supermarket in the new shopping center. “Why do you buy things here?” Tracy wanted to know.“Because they are cheaper here than at t...
【简答题】A.By teaching additional English classes. B.By writing stories for American newspapers. C.By working part time for the Peace Corps. D.By doing odd jobs for local institutions.
【简答题】如图所示，真空中两个点电荷A、B，分别带电量为＋q和－q，相距为d。它们以角速度ω绕【图片】轴转动，【图片】轴与AB连线相垂直，两者交点为C，距A点为d/3，求C点的磁感强度大小为 倍【图片】。（说明：只填入数值大小即可；结果保留到小数点后三位，如1.234；也可以写成分数）【图片】
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