一只未点燃的蜡烛的下面插入一根小铁钉，使蜡烛能直立漂浮在水面

一只未点燃的蜡烛的下面插入一根小铁钉，使蜡烛能直立漂浮在水面上，露出长度为L，如图所示。当把蜡烛水面以上部分截掉后剩余部分：

A．不会重新露出水面 B. 还会重新露出水面

C.以上两种可能都有 D.无法判断

答案

相关题目

补写出下列名句名篇中的空缺部分。（任选3题，多选只按前3

补写出下列名句名篇中的空缺部分。（任选3题，多选只按前3题计分。）（6分）（1）河内凶，，；河东凶

设球O的半径是1，A、B、C是球面上三点，已知A到B、C两点的球

设球O的半径是1，A、B、C是球面上三点，已知A到B、C两点的球面距离都是，且三面角B-OA-C的大小为，则从A点沿球面经B、C两点再回到A点的最短距离是 A.

某地区的年降水量在下列范围内的概率如下表所示：年降水

某地区的年降水量在下列范围内的概率如下表所示：年降水量（单位：mm）［100，150）［150，200）［200，250）［250，300）概率0.120.250.160.14（1）求年降水

（江苏卷27）. ----Do you think their table tennis team will win the first p

（江苏卷27）. ----Do you think their table tennis team will win the first place at the coming Asian Games? ----_________.Ours is much stronger than theirs. A. Of course B. It depend

-- Don’t you think hard work is what makes people succeed? -- ________________

-- Don’t you think hard work is what makes people succeed? -- ________________ A．I couldn’t agree more B．I hope so C．I’ve got it

----I haven’t seen Lily for a long time. What is she doing? ----- She is ____

----I haven’t seen Lily for a long time. What is she doing? ----- She is ______ in writing a novel. A．attracted B．included C．occupied

下列说法正确的是 A．L层上的电子数为奇数的原子一定是主

下列说法正确的是 A．L层上的电子数为奇数的原子一定是主族元素的原子 B．元素周期表共有18列，第8列属于第ⅧB族、第17列属于第VIIA族 C．元素周期表

Joe wanted a computer. He asked his 1 for the money, but they said he must

Joe wanted a computer. He asked his 1 for the money, but they said he must get it himself. But 2 did he get it? He thought about this for a long time. Then he saw one of his classmates

一只未点燃的蜡烛的下面插入一根小铁钉，使蜡烛能直立漂浮在水面

答案

相关题目

最新题目