股票可以按( )划分为不同风格种类。
A.公司规模
B.公司成长性
C.股票流通市值
D.股票价格行为
参考答案:A,B,D
袋中装有红、黄、蓝球各一个,它们除了颜色不同外其他都相同,分别从袋中任意摸出一个球记录下颜色后放回袋中充分摇匀,再任意摸出一个球,如果两次摸到的都是同色的球,则甲获胜;如果两次摸到的球的颜色不相同,则乙获胜.
(1)请用列表法或树状图表示两次摸球的所有情况;
(2)这个游戏公平吗?为什么?
根据句意及首字母或汉语提示完成单词。
1. —Hello, may I speak to Lucy?
—Sorry, she isn't in. May I take a m________ for her?
2. We don't have much time left. Please make a d________ as soon as possible.
3. This is her book. My_________ (自己的)book is in my backpack.
4. Mary felt sick because of the _________(稀薄的)air.
5. The building is 200 ________(米)high.