Which cities are__________for tourists to visit on their first trip to China?(prefer)
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Levy wondered if the new therapywould __________theliveof the patients.(length)
Medical __________was sometimes given to children without parental consent.(treat)
人体运动的杠杆是（）。
A. 骨骼
B. 关节
C. 肌肉
D. 韧带
E. 皮肤
不适合锻炼身体的方法()。
A. 散步
B. 睡觉
C. 球类
D. 跑步
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