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【单选题】
80C51的定时器T1用作定时方式1时,工作方式的初始化编程语句为( )
A.
TCON=0X01;
B.
TCON=0X05
C.
TMOD=0X10
D.
TMOD=0X50
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【判断题】在Power Point2007中表格适合用来表达比较性,逻辑性的主题内容。
A.
正确
B.
错误
【单选题】Ancient Egypt Brought Down by Fami Even ancient Egypt’s mighty pyramid(金字塔)builders were powerless in the face of the famine(饥荒)that helped bring down their civilization around 2180 B.C..Now evidence ...
A.
Because they once worked miracles.
B.
Because they were well—built.
C.
Because they were actually very weak.
D.
Because even they were unable to rescue their civilization.
【单选题】The majority of the nurses are women, but in the higher ranks of the medical profession, woman are in a ______ .
A.
minority
B.
scarcity
C.
rarity
D.
minimum
【简答题】This report ranks 50 appliance manufacturers selected according to their volume of sales.//The total turnover of the yzed companies is worth around EUR 587 billion, including EUR 125 billion of th...
【单选题】【C2】
A.
considers
B.
alternates
C.
ranges
D.
ranks
【单选题】关于Scratch程序,以下哪种说法是正确的?( )
A.
使用不同的脚本代码实现方法也可以实现同一功能效果
B.
一种功能只能有唯一的一种脚本代码实现方法
C.
Scratch 不是面向对象的编程语言
D.
放进“脚本区”中的积木或程序段一定会被执行
【单选题】A research revealed that multitasking makes the Generation M______.
A.
distant to their family
B.
selfish and possessive
C.
impolite and ungrateful
D.
feel lonely and pitiful
【单选题】关于以下程序段,下面的说法正确的是() char result; scanf ("%c",&result); switch(result) { case 'A': case 'B': printf ("Good!\n"); break; case 'E': printf ("Bad!\n"); default: printf ("Error!\n"); }
A.
执行程序段后,输入a或者b,都将输出Good!
B.
执行程序段后,输入A或者B或者C,都将输出Good!
C.
执行程序段后,输入E,将输出Bad!,然后结束
D.
执行程序段后,输入C,将输出 Error!
【简答题】have a family gathering
【单选题】According to IEA 2019 report, a lthough ( ) ranks tenth in oil reserve, it is the highest oil producing country and the highest oil consuming country.
A.
Russia
B.
Saudi Arabia
C.
USA
D.
China
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