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【单选题】
下面是关于PC机键盘的叙述，其中错误的是______。A.
每次按键后，键盘向CPU发中断请求，由键盘中断处理程序完成扫描码到ASCII码的转换，并将ASCII码存入内存的键盘缓冲区
B.
它以串行方式向PC机输入所按键的扫描码，并将其直接存入内存的键盘缓冲区
C.
按键的编码可通过软件重新定义
D.
键盘工作时，相应电路会定时对按键矩阵进行扫描，得到所按键的位置信息，所以扫描码实际上就是按键的位置码
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举一反三
【判断题】Inflection means forming a new word by adding an element such as an affix. ()
A.
正确
B.
错误
【单选题】My brother_________ Beijing many times. He __________ Nanjing for a week.
A.
has been to, has gone to
B.
has been to, has been in
C.
has gone to , has been in
D.
has gone to, has been in
【单选题】My brother ______ the army for three years.
A.
has been in
B.
had entered
C.
has joined
D.
was last seeing
【简答题】You look up a new word in it.
【简答题】编写程序求1!+2!+3!+...+20!(即1+2+6+24+120+...+20!)的和。 int main() { double sum=0,term=1;//阶乘超出int范围定义为double /*请将本函数补充完整,并调试运行*/ printf("1!+2!+...+20!=%.0f",sum); return 0; }
【单选题】Metaphor means
A.
The new meaning of a word is derived from having the opposite meaning.
B.
The new meaning of a word is derived from comparing one thing to another for some features.
C.
The new meaning of a word is derived from putting a new thing into the same category.
D.
The new meaning of a word is derived from a word having many meanings.
【单选题】My brother has studied in ______ Qinghua University for two years. It’s ______ famous university in the world. [ ]
A.
/ , the
B.
the, a
C.
the, /
D.
/ , a
【简答题】// 【E6_6.c】 求和1!+2!+3!+4!+...10! #include #include void main() { int num; // num = 1~10 int fac; //存放每一个n的阶乘 int sum = 0; //存放和值 int n; for(num=1; num=1) { fac = fac * n; n = 【空2】; } sum = 【空3】; ...
【简答题】______is a relatively complex form. of compounding in which a new word is formed by joining the initial part of one word and the final part of another word. For example, the English word smog is made ...
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