The high school is ______ Nanjing Normal University.
A. attached to
B. attach to
C. became
D. belong
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Asian dance ______ religion.
A. usually associate with
B. usually is associated with
C. usually associated with
D. is usually associated with
Ieoh Ming Pei has ______ great ______ the architecture of the world.
A. contribute … to
B. contributed … to
C. made … contributions
D. made … contributions to
核酸的基本组成单位是（）。
A. 碱基
B. 戊糖
C. 磷酸
D. 核苷
E. 核苷酸
DNA是（）；RNA是（）。
A. 脱氧核糖；核糖
B. 脱氧核糖核苷；核糖核苷
C. 脱氧核糖核苷酸；核糖核苷酸
D. 脱氧核糖核酸；核糖核酸
E. 嘌呤碱；嘧啶碱
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