【判断题】
扩展库os中的方法remove()可以删除带有只读属性的文件。
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使用内置函数open()且以”w”模式打开的文件，文件指针默认指向文件尾。
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Python变量使用前必须先声明，并且一旦声明就不能再当前作用域内改变其类型。
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在任何时刻相同的值在内存中都只保留一份
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Python不允许使用关键字作为变量名，允许使用内置函数名作为变量名，但这会改变函数名的含义。
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在Python中可以使用if作为变量名。
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Python变量名必须以字母或下划线开头，并且区分字母大小写。
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加法运算符可以用来连接字符串并生成新字符串。
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9999**9999这样的命令在Python中无法运行。
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3+4j不是合法的Python表达式。
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Python 2.x和Python 3.x中input()函数的返回值都是字符串。
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pip命令也支持扩展名为.whl的文件直接安装Python扩展库。
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只有Python扩展库才需要导入以后才能使用其中的对象，Python标准库不需要导入即可使用其中的所有对象和方法。
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在Python中0xad是合法的十六进制数字表示形式。
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3+4j 是合法Python数字类型。
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在Python中0oa1是合法的八进制数字表示形式。
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Python使用缩进来体现代码之间的逻辑关系。
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Python代码的注释只有一种方式，那就是使用#符号。
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调用函数时，在实参前面加一个型号*表示序列解包。
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放在一对三引号之间的任何内容将被认为是注释。
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Python支持使用字典的“键”作为下标来访问字典中的值。
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尽管可以使用import语句一次导入任意多个标准库或扩展库，但是仍建议每次只导入一个标准库或扩展库。
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为了让代码更加紧凑，编写Python程序时应尽量避免加入空格和空行。
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在Python 3.5中运算符+不仅可以实现数值的相加、字符串连接，还可以实现列表、元组的合并和集合的并集运算。
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已知x为非空列表，那么表达式 sorted(x, reverse=True) == list(reversed(x)) 的值一定是True。
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已知x为非空列表，那么x.sort(reverse=True)和x.reverse()的作用是等价的。
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生成器推导式比列表推导式具有更高的效率，推荐使用。
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Python字典中的“键”不允许重复。
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Python字典中的“值”不允许重复。
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Python字典中的“键”可以是列表。
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A. cut off
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I am not sure whether we can give the right advice _____emergency.___
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A. be put up
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----- John， may I ask you a favour？ ----- _________
A. I’m sorry， but why？
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C. Yes，you could.
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The taxi driver was put in_____prison because his car had knocked down a child.His wife went to_____ prison to see him twice a month.___
A. /； /
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----- Where’s John， do you know？ ----- Oh， _____to hospital.___
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It was the wealth of the_____pioneer landowner John Harvard that made Harvard University possible.___
A. precious
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----- "Where is your college located, John?" ----- "It is ________."___
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A. truth
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A. discharged
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I didn't expect to receive a postcard from you！It's really _____my wildest imagination.___
A. behind
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John Smith is _____ honest young man.___
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She __________ in wearing that old – fashioned hat.___
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Some of the meat came from Canada. How about________？___
A. another
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I have brought you ___ flowers for your birthday. ___
A. few
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C. little
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I have also experienced many adventures, but nothing that I have seen ___what you have described. ___
A. compares
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A. could
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A. a piano
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【单选题】
I’m busy now ,ask him to see me ____ time.___
A. the other
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The child took a spoonful and tasted it carefully __________ it was hot.___
A. in case
B. provided
C. if
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【单选题】
The French pianist who had been praised very highly __________ to be a great disappointment. ___
A. turned off
B. turned up
C. turned out
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【单选题】
“Shall I turn on the television?” – “No, I’d rather not __________ television tonight.”___
A. have watched
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They said that they had made up their minds to ____the task in spite of the extremely difficult conditions.___
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The two girls are getting on very well and share with each other. ___
A. little
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The teacher said that the classroom was empty __________ a few chairs.___
A. but for
B. except for
C. apart from
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______you choose， make sure that it is a good one. ___
A. What
B. Wherever
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Vingo was released from prison_____the successful efforts of his friends to prove his innocence. ___
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B. as a result of
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Entering the room， I found my father __ at the desk and ___ something .___
A. seat... write
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Cake __________ of flour, sugar, egg and some other ingredients. ___
A. contained
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Mr. Peter wanted Steve to take half the money, but Steve did not __________ it. ___
A. obtain
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C. accept
D. receive
