【单选题】WACS can reduce the whale collisions by ______.
A.
warning whales to get away from passing ships
B.
attacking ambient noise imaging tags onto the whales
C.
directing passing ships to turn away from the whales
D.
teaching the whales to send signals to the passing ships
【单选题】What he said made me _____ at once. [ ]
【单选题】状态方程是将各触发器的驱动方程代入相应触发器的( )就得出与电路相对应电路的状态方程。
【单选题】She has a lot of bad habits______.
【单选题】Why did Twain go to West?
A.
To prospect for silver and gold.
B.
To get away from the war and the army.
C.
Because of the outbreak of the Civil War.
【多选题】下列关于人身着火的扑救方法正确的是
B.
身上着火,最重要的是先想办法把衣服、帽子脱掉,如果一时来不及,可把衣服撕碎扔掉
C.
身上着火,如果来不及脱衣,也可卧倒在地上打滚,把身上的火苗压灭
D.
如果身上火势较大,来不及脱衣服,旁边又没有其他人协助灭火,则可以跳入附近池塘,小河等水中去把身上的火熄灭,要注意涉水安全。
【单选题】执行完下列代码段之后: bool x=true, y=false, z=false; x=x&&y‖z; y=x‖y&&z; z=!(x!=y)‖(y-z); 则x=false, y=false, Z=( )。
【单选题】x = True y = False z = False if x or y and z: print('yes') else: print('no') 输出结果是?