问题 选择题
原子中,质子数是(  )

A.6

B.8

C.12

D.20

答案

答案:A

填空题

正音测试。(给加粗的字注音)

1.之驴(  )                  2.事者( )                     3.蔽林间之( )             

4.慭慭然( )                  5.远( )                         6.稍近益( )         

7.跳( )                      8.以为且己也( )         9.可爱者甚( )          

10.泥( )                   11.清涟而不妖( )        12.玩( )         

13.隐( )                   14.不不枝( )                15.陋室( )      

16.德( )                   17.案( )                        18.西( )          

19.痕( )                   20.屏( )                        21.喧( )         

22.语( )                   23.喝( )                        24.声( )          

25.屋( )                   26.林环( )                    27.少( )              

28.犬( )                   29. 语( )                       30.许声( )      

31.大( )                   32.荡冲冒( )               33.大( )       

34.腿( )                   35.篱笆( )                       36.掉( )       

37.鸿( )                   38.周敦颐( )                   39.( )       

40.寡孤独( )           41.见不鲜( )               42.惊( )       

43.打( )                   44.中力拉崩倒之声( )      45.润如( )     

填空题