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Part 2Discovering Useful Structures &Listening and Talking 基础过关练 Ⅰ.选词填空 in addition to; set up; get absorbed in; try out 1.You'd better study and spend less time in playing computer games. 2.I have been working hard at economics. I am hoping I will my own business after graduation. 3.There were hundreds of students for the school basketball team last week. 4. his traditional medical treatment, he tried to put himself in situations which would bring about positive emotions. Ⅱ.单句语法填空 1.The course is aimed improving your writing. 2.The girl believes that she is capable becoming a successful musician. 3.We all sighed relief when the plane finally landed safely. 4.Much our relief, the children all arrived home safe and sound. 5.Although this medicine can cure you your illness,it has a bad effect on you. 6.It was a pity that his actions were based on a false (assume). 7.Excessive(过度的)screen time can also have an impact children's brain. 8.Trash recycling is very important, and a lot of (equi