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【简答题】
某试验要测定某蛋白质饲料(CP含量为40%)蛋白质的消化率。第一次测得基础日粮(CP:20%)CP消化率为72%,第二次5d共喂饲料5kg(基础饲料80%+20%),测得粪中排出CP300g。问该蛋白质饲料蛋白质的消化率是多少?
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【单选题】Give her my best regards,_______.
A.
should you see her today
B.
if you saw her today
C.
if you would see her today
D.
should you have seen her today
【简答题】执行以下程序时,如果从键盘上输入: aBcDeFg ,则屏幕上显示 #include main() { char ch; while((ch=getchar())!=’\n’) { if(ch>=’a’&&ch<=’z’) ch=ch-32; printf("%c",ch); } } 的输出结果为
【简答题】执行以下程序时,如果从键盘上输入: aBcDeFg ↙,则屏幕上的输出结果为 。 #include main() { char ch; while((ch=getchar())!=’\n’) { if(ch>=’a’&&ch<=’z’) ch=ch-32; printf("%c",ch); } }
【单选题】— Can you explain ____ you have been late for school several times this term? — Sorry, but it is the first time that I have been late this week.
A.
why is it that
B.
how it is that
C.
why it is that
D.
how is it that
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