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【单选题】
You are always late. You ______ late three times this week.A.
are being
B.
were
C.
had been
D.
have been
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【简答题】#include unsigned char code dm[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff}; void delay(){ unsigned int i=0; for(i=0;i<3000;i++){ ; } } void main(){ while(1){ P1=0XFE; if(P1!=0XFe){ dela...
【简答题】阅读理解 Topping the class academically was certainly an advantage. Studying was a breeze for Nigel. The reward was certainly incomparable to the little effort that he had to put it. It began when he was ...
【单选题】According to Nigel, inexperience travelers are likely to make the following mistakes except ______.
A.
booking on less popular flights
B.
buying tickets at full price
C.
carrying excessive luggage
D.
planning long business trips
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