Malassez氏上皮剩余是（） A.牙板的残留部分 B.缩余釉上皮的残

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问题单项选择题

Malassez氏上皮剩余是（）

A.牙板的残留部分

B.缩余釉上皮的残留部分

C.上皮根鞘的残留部分

D.成釉器的星网层和中间层细胞演变而成

E.口腔上皮伸入的部分

答案

参考答案：C

选择题

—We didn’t find the Blacks ________ the lecture.

—No one had told them about ________ a lecture the following day.

A．attending；there being

B．to attend；there to be

C．attended；there be

D．attend；there was

选择题

It is suggested that another school___________ in our city.

A．should build

B．be set up

C．will be set up

D．will build