自凝树脂主要用于制作的修复体中,下列选项正确的是 ()
A.个别托盘
B.义齿重衬
C.暂时冠桥
D.嵌体
E.腭护板
参考答案:A, B, C, E
(2009福建顺昌模拟)——We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.
A.when; which
B.which; when
C.what; that
D.on which; when
下列属于紧缩性财政政策的主要手段的是()。
A.降低利率
B.压缩财政支出规模
C.减少税负
D.提高财政收入规模