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【简答题】
中断程序的返回指令是 。
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举一反三
【单选题】设有三个角度观测值的权分别为3,4,6;则三角形内角和的权为( )。
A.
9/12
B.
12/9
C.
13
D.
72
【简答题】设函数f(x)= 3 sin2x+2cos 2 x. (1)求函数f(x)的最小正周期; (2)求函数f(x)的单调递增区间.
【简答题】设函数f(x)=a- 2 2 x +1 (1)求证:f(x)是增函数; (2)求a的值,使f(x)为奇函数; (3)当f(x)为奇函数时,求f(x)的值域.
【单选题】--- Look! __________ there are in the garden!
A.
- Let’s go there to take some photos.
B.
What a beautiful flower
C.
How a beautiful flower
D.
How beautiful flowers
E.
What beautiful flowers
【单选题】对四个三角形的全部内角进行观测,其观测值(内角和)分别为:180°00′18″、180°00′12″、179°59′48″、179°59′42″,则其观测值中误差为()。
A.
±0.0″
B.
±15.3″
C.
±5.5″
D.
±9.5″
【单选题】加工中心与数控铣床编程的主要区别是
A.
指令格式
B.
换刀程序
C.
宏程序
D.
指令功能
【单选题】Many forms of etiquette are employed precisely to disguise those antipathies that arise from irreconcilable differences. (Para. 3)
A.
rules of polite behavior; strong dislikes
B.
directions for action; sharp disagreements
C.
words of advice; fundamental conflicts
D.
regulations of social activities; striking contrasts
【简答题】Social anxiety, in its many forms, is epidemic. About 40 percent of Americans think of themselves as shy, while only 20 percent say they have never suffered from shyness at some point in their lives. ...
【简答题】标记用于定义页面的元信息,可重复出现在 头部标记中, meta 的属性有两种: name 和 http- equiv 。 向搜索引擎说明网页的 。
【单选题】三角形观测的三个内角分别为45°22′00″、60°39′50″、73°58′16″,则角度闭合差为()秒。
A.
6
B.
10
C.
11
D.
12
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