梯田按其施工方法可分为人工梯田、（）。
A.反坡梯田
B.坡式梯田
C.机修梯田
D.水平梯田
参考答案：C
As we all know, the English language ________ the grammar and vocabulary that people from different countries and cultures brought to Britain.
A．is consisted of
B．makes up of
C．consists of
D．makes up
含牙囊肿发生部位多见于()
A．上颌第三磨牙
B．下颌第三磨牙
C．上颌第二磨牙
D．下颌第二磨牙
E．下颌第一磨牙
