【单选题】Studying the diverse wisdom of others can ______.
A.
create artistic interest
B.
help people see things in the right perspective
C.
help improve connections among people
D.
regulate the behavior. of modern people
【判断题】材料的冲击功高,则其塑性指标断后伸长率也高;反之,材料的断后伸长率高,则冲击功也高。
【判断题】材料的冲击功高,则其塑性指标断后伸长率也高;反之,材料断后伸长率高,则其冲击功也一定高。