题目

下列各组顺序的排列不正确的是（   ） A . 原子半径：Na＞Mg＞Al B . 热稳定性：HCl＜H2S＜PH3 C . 酸性强弱：H2SiO3＜H2CO3＜H2SO4 D . 沸点：H2O＞H2Se＞H2S 答案：B31、根据短文内容和首字母提示，填写所缺单词。 Soccer is a team g___1____ of the feet．It is played between two t___2____ with 11 players on each side．During the game，the b__3____ is kicked or headed on an open field．Only the goalkeeper can use his h___4____．When the ball goes into the net，a g___5____ is scored． 评卷人 得分 八、完成句子 （每空？ 分，共？ 分）