【单选题】What can be concluded from the experiment?
A.
Dogs may act in response to their handlers' bodily signals.
B.
The cooperation between dogs and their handlers is key to success.
C.
Well-trained dogs can better understand their handlers' signals.
D.
Dog handlers are more likely to be distracted than their dogs.
【简答题】二进制数11111100转换为十进制数:
【简答题】用所给词的适当形式填空。 1. Jerry only _________(watch) TV on Sunday. 2. He can _________(play) the violin _________(good). 3. Can you help _________(our)? 4. Kevin Johnson and Thomas Smith are _________(act). 5....
【单选题】在TRIZ中,()是解决物理矛盾的主要原理。
【单选题】在TRIZ中,解决物理矛盾的主要原理是()。