【简答题】单片机的外部中断0的入口地址为(),外部中断1(INT1)的中断入口地址为(),定时器1的中断入口地为()。
【简答题】阅读理解。 Animals grow up in different ways. They have lots of lessons to learn. Some animals are born helpless but their mothers protect them. A newborn kangaroo is the size of a bee. She stays in her mo...
【单选题】Which of the following best summarizes the text?
A.
Lots of animals learn, but smarter isn't better.
B.
Humans pay hidden costs for learning.
C.
Learning has dangerous side effects to animals.
D.
Animals learn to adapt to changing environment.
【单选题】Learn lots of_____
C.
training will be given
E.
good with people and a real team player.
【单选题】So far, we ________ lots of English words. [ ]
【单选题】We can learn _ _ from the Internet. [ ]