此次考试重复2009.6.12考题

　　Writing:

　　Integrated writing task:

　　Topic: Carolina bays成因

　　Position Impact when a massive meteorite hit the ground.

　　1 Hit——asymmetrcal depressions——沙子两边高低不同

　　否定：Does not necessarily caused by the hit

　　Water_flow in a steady direction

　　Evidence_once under water

　　2 Sands without iron coat (generally with coating)

　　Heat——romove coat from the sands

　　否定：Heat_transform the sands to the glass_但是没有

　　Non-coating sands are formed by other chemical processes

　　3 bulkyballs

　　否定：Bulkyball only a few areas不是所有地方都有

　　Independent writing task:

　　Agree or disagree: Students should not take part-time jobs when they are in the university.