1.目前学生负担过重的现状；
2.导致学生负担过重的原因；
3.减轻学生负担过重的措施。

What would the residents in North Sumatra province resort to in the case of bird flu（）

A. They would turn to a witch doctor.
B. They would co-work with experts.
C. They would take the prescribed drug.
D. They would accept a random interview.

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（）(尽管演技极好)and well-developed plot the three-hour movie could not hold our attention. 点击查看答案&解析