【单选题】Why do some people want to save the first McDonald’s?
A.
Because they have good memories of that old McDonald’s.
B.
Because they want to use it to make money.
【简答题】任务型阅读。 Some people want to be sent into space after their death, others want to lie deep under the sea. But most people want to go into the freezer (冷藏库). These are believers in cryogenics (低温冷冻学). No...
【简答题】用有限字长的系数实现数字滤波器时,不可能任意精确地定出滤波器的极点和零点位置。一种可能的补偿办法是以系数的平均值当作要用的系数值,随后在它上面引入随机抖动。 研究题图3-5所示的数字全通网结实现方案.图中是k 2 =-1/k 1 。假定整个题中没有算法舍入噪声,唯一的噪声是系数随机抖动产生的噪声。希望系数k 1 的平均值是1/π,系数k 2 的平均值是-α。每一个系数都用原码表示,选择字长使系数的...
【判断题】砾石土和风化料在适当的布置和必要的处理后,可做斜墙坝坝壳的材料。 ( )
【单选题】Some people want to go hunting,( )others want to go fishing.
【判断题】从怎么吃这一路,设计思维进入到第5-6层都是设计问题了
【单选题】在HTML5中,下列哪个标签是音频标签( )。