【单选题】Jim is a student who cannot work at writing a paper for more than 30 minutes, yet he can spend many hours writing comments on blogs. What accounts for the change in motivation in this case?
【简答题】阅读理解,回答问题。 Jim is a boy. He is from Canada. He is nine years old. He is a primary school student(小学生). He can speak Chinese and English. He likes to play football. He is a good student. He is a Young ...