问题
解答题
一个盒子里有红、黄两种着色的棋子，任意摸一次一定能摸到黄棋子．______．
答案
一个盒子里有红、黄两种着色的棋子，任意摸一次一定能摸到黄棋子，说法错误，
因为可能性各占：1÷2=
任意摸一次，可能是红棋，也可能是黄棋，属于不确定性中的可能性事件；1 2
故答案为：×．
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一个盒子里有红、黄两种着色的棋子，任意摸一次一定能摸到黄棋子．______．
一个盒子里有红、黄两种着色的棋子，任意摸一次一定能摸到黄棋子，说法错误，
因为可能性各占：1÷2=
任意摸一次，可能是红棋，也可能是黄棋，属于不确定性中的可能性事件；1 2
故答案为：×．
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mother takes good care of you as much as possible. 1______. When you are ill, she stops her work right now to look after you day and night but forgets about herself. 2______, she feels very happy. When you are old enough to go to school, mother still looks after you all the time. On cold winter days, she always tells you to put on more clothes. 3______. When you hurry to leave home for school with little breakfast, she always feels worried about you at home. She usually knows about your study and spends much money on your school things. When you do well at school, you will see the bright sweet smile on her face. 4______, not to receive. What true love it is in the world! We will remember mother love forever! |