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【单选题】
如果$\lim_{x\rightarrow a}f(x)=0$,那么$\lim_{x\rightarrow a}\frac{1}{f(x)}=+\infty$
A.
正确
B.
错误
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】“Nevertheless” is a useful word, which means _______.
A.
never
B.
hardly ever
C.
despite what has just been said or referred to
D.
seldom
【单选题】Choose the most appropriate answer by completing the sentences below or answering the questions.1. Which of the following is not mentioned in this dialogue? The differences in adolescence and adult ar...
A.
thoughts, ways of doing things
B.
ways of doing things, attitudes towards her parents
C.
my attitudes towards my parents
D.
my attitudes towards my teachers
【单选题】The node accessed is a right-child, and so is its parent. What should we do for a single splay operation?所访问的节点及其父亲都是右孩子，则双层伸展要执行的操作是：
A.
zig-zag
B.
zag-zig
C.
zig-zig
D.
zag-zag
【单选题】下面的说法正确的是
A.
abstract可以修饰字段、方法和类
B.
抽象方法的body部分必须用大括号包住，但是需要为空
C.
声明抽象方法，大括号可有可以没有
D.
抽象方法没有方法体
【单选题】I could hear the ______ of Mozart in the background.
A.
delight
B.
strains
C.
amusement
D.
pleasure
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