问题
选择题
The ________ from the top of the city tower is very beautiful.[ ]
A．scenery
B．scene
C．view
D．spot
答案
答案：C
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The ________ from the top of the city tower is very beautiful.[ ]
A．scenery
B．scene
C．view
D．spot
答案：C
缺失，可摘局部义齿修复，基牙
应采用的卡环是（）