如图所示是岩盐的平面结构，实心点为氯离子，空心点为钠离子，如果将它们用直线连起来，将构成一系列大小相同的正方形．岩盐是____（选填“晶体”或“非晶体”）．固体岩盐中氯离子是____（选填“运动”或“静止”）的．

为了更好地完成初中阶段的学习任务，我们应该  (       )
①学会自主学习             ②提高学习效率   ③找到适合自己的学习方法    ④自学为主，多看课外书，拓宽自己的知识面 

His erasers are in his ____ (mother) bag.

Beckham in a Football Movie

    Do you like football? You must know David Beckham. But do you know that he will be in a movie? He will be David Beckham in the movie Goal.

    Beckham said, "I want to teach kids how to play football when I finally hang up my boots." "I believe that Goal will send a positive message to kids around the world."

    Beckham, 29, said, "I think that Goal will make football more popular in America and Asia. I am very happy because I can help do it," he said.