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【单选题】
以下关于模糊关系的正确说法是A.
模糊关系是普通关系的一个特例
B.
模糊关系描述不同论域模糊集合元素之间的关联程度
C.
模糊关系中的元素都是整数
D.
模糊关系矩阵一定是方阵
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【简答题】what is the WTO 's key role?what other roles does it play?
【单选题】听力原文： In the 1940's and 50's, it was not likely that a young black ager from New York's Harlem would ever have the chance to play in the world's biggest tennis tournaments. But Althea Gibson did p...
A.
New York City.
B.
Harlem.
C.
Silver,South Carolina.
D.
California.
【单选题】I’ve lived here for about _______.
A.
two and a half year
B.
two and a half years
C.
two year and a half
D.
two years and half
【单选题】听力原文： In the 1940's and 1950's, it was not likely that a young black ager from New York's Harlem would ever have the chance to play in the world's biggest tennis tournaments. But Althea Gibson did...
A.
New York City.
B.
Harlem.
C.
Silver, South Carolina.
D.
California.
【单选题】—I have ____ here for two months. —So you ____ here since two months ago. [ ]
A.
come, came
B.
been, have been
C.
been, come
D.
come, have been
【单选题】听力原文： In the 1940's and 50's, it was not likely that a young black ager from New York's Harlem would ever have the chance to play in tile world's biggest tennis tournaments. But Althea Gibson did ...
A.
New York City.
B.
Harlem.
C.
Silver, South Carolina.
D.
California.
【简答题】It 's unacceptable for a mother to leave her child ________to play computer s. A alone B．lonely C．lone D．loneliness
【单选题】听力原文： In the 1940's and 50's, it was not likely that a young black ager from New York's Harlem would over have the chance to play in the world's biggest tennis contests. But Althea Gibson dill pla...
A.
New York City.
B.
Harlem.
C.
Silver, South Carolina.
D.
California.
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