【判断题】生物质气是由各种有机物在隔绝空气的条件下发酵,并在微生物的作用下产生的可燃气体。
【单选题】The preschool children who watch TV programs with violent scenes are more likely to have sleep problems than those who watched programs for the age.
【单选题】每天的天气只有晴s,多云c,雨r三种,昨天是s今天是多云的几率为p(c/s)=0.2,p(s/s)=0.6,p(c/c)=0.4,p(s/c)=0.4p(r/r)=0.6,p(c/r)=0.2,求该信源极限熵。
【简答题】以下代码执行,num1的值为 ,num2的值为 。 int num1,num2; num1=5; num2=num1; num2+=3;
【多选题】以下属于财产转让所得的项目有 ( ) (知识点:财产转让所得的对象确定)
【单选题】Why do law-enforcement agencies disapprove of vigilantes? A) Because innocent people are always assaulted by vigilantes. B) Because there are few violent crimes and lawbreakers. C) Because some masked...
A.
Because innocent people are always assaulted by vigilantes.
B.
Because there are few violent crimes and lawbreakers.
C.
Because some masked vigilantes are actually violent criminals.
D.
Because vigilantes seldom have police training.
【单选题】Children who like violent video games are more likely to show violent behavior. This must be because they are copying the games.(单选)