题目内容

Traditionally, literary critics involve themselves in either _______or ________ criticisms

A. literary criticism
B. theoretical criticism
C. practical criticism
D. emotional criticism

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Russian Formalists include _______ and _______.

A. Viktor Shklovsky
B. Roman Kakobson
C. Philip Sydney
D. Aristotle

Examining works of ethnic writers, including_______.

African/ African American
B. Jewish
Caribbean
D. Asian American and native

设随机变量X服从指数分布,则随机变量Y=min(X,2)分布函数()。

A. 是连续函数
B. 至少有两个间断点
C. 是阶梯函数
D. 恰好有一个间断点

将一个带电的金属球,浸入相对介电常数是2的电介质中,此球上所带的电量将会

A. 减少到原来的1/2
B. 减为零
C. 增加到原来的2倍
D. 没有变化

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