Ⅰ.单词拼写
1．Use a locker to store your things. Wear ________ (宽松的) and comfortable clothing.
2．If your ________ (策略) succeeds, you will make great progress in your study.
3．By taking a deep ________ (呼吸), you can reduce your concern about this matter.
4．As the outside of the star ________ (下沉) toward the centre, the star gets smaller and smaller.
5．Within a couple of days, brains learn to ignore the ________ (信号) from the inner ear, and space sickness disappears.
6．They must follow it without other choices, even though the ________ (错误) was his.
7．The best strategy to ________ (解决) the problem is to apologize to him.
