【单选题】如果从不包括大小王的52张扑克牌中随机抽取一张,那么取到红色的概率是( )。
【单选题】Mary doesn’t want to work right away because she thinks that if she ____ a job she probably wouldn’t be able to see her boy friends very often.
【简答题】如果从不包括大小王的52张扑克牌中随机抽取一张,那么取到红心(事件A)的概率是 ,取到方块(事件B)的概率是 ,问: (1)取到红色牌(事件C)的概率是多少? (2)取到黑色牌(事件D)的概率是多少?
【简答题】I know how you must be feeling I feel very gulty. You look a bit down I feel better I'm very worried about her Mary: hello ,kim . Kim: Hi, Mary Mary: What is it?_________1____________ Kim: Oh, it's my...
【单选题】如果从不包括大小王的52张扑克牌中随机抽取一张,那 么 取到红心(事件A)的概率是1/4,取到方块(事件 B)的概率是1/4。问: (1)取到红色牌(事件C)的概率是多少? (2)取到黑色牌(事件D)的概率是多少?
【简答题】如果从不包括大小王的52张扑克牌中随机抽取一张,那么取到红心的概率是 ,取到方片的概率是 ,则取到黑色牌的概率是 .
【简答题】Mary: John, I heard you have been keeping (1) ___________________ for many years. I feel like getting a pet, but I’m not sure which animal would be suitable. Could you give me (2) ___________________?...
【简答题】选择适当的句子完成对话。 I know how you must be feeling I feel very guilty You look a bit down I feel better I'm very worried about her Mary is speaking to Kim about his problems. Mary: Hello, Kim. Kim: Hi, Mar...
【单选题】Mary doesn’t want to work right away because she thinks that if she ____ a job she probably wouldn’t be able to see her boy friends very often.
【多选题】在光伏阵列将吸收的太阳辐射转换成直流电输出过程中,对光电转换效率的影响最为显著的两个因素是()。