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【单选题】
选择发动机汽油标号的主要依据是A.
压缩比
B.
排量
C.
功率
D.
扭矩
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【简答题】能实现将一维数据写入CSV文件中的是()A. fo = open("price2016bj.csv", "r")ls = ['AAA, 'BBB', 'CCC', 'DDD']fo.write(",".join(ls)+"\n")fo.close()B. fo = open("price2016bj.csv", "w")ls = ['AAA, 'BBB', 'CCC', 'DDD']fo.writ...
【单选题】She likes playing _____ piano; her brother likes playing _____ basketball.
A.
the;a
B.
a:the
C.
/;the
D.
the;/
【单选题】能实现将一维数据写入 CSV文件中的是
A.
fname = input ( "请输入要写入的文件: " ) fo = open ( fname , "w+" ) ls = [ "AAA" , "BBB" , "CCC" ] fo . writelines ( ls ) for line in fo : print ( line ) fo . close ()
B.
fo = open ( "price2016bj.csv" , "w" ) ls = [ 'AAA' , 'BBB' , 'CCC' , 'DDD' ] fo . write ( "," . join ( ls ) + "\n" ) fo . close ()
C.
fr = open ( "price2016.csv" , "w" ) ls = [] for line in fo : line = line . replace ( "\n" , "" ) ls . append ( line . split ( "," )) print ( ls ) fo . close ()
D.
fo = open ( "price2016bj.csv" , "r" ) ls = [ 'AAA' , 'BBB' , 'CCC' , 'DDD' ] fo . write ( "," . join ( ls ) + "\n" ) fo . close ()
【简答题】假设代码: String str="123"; 怎么把str转化为double数据,请补全代码:double d= ____________;
【单选题】She likes playing ___________violin while her brother likes playing _________ tennis. [ ]
A.
the；the
B.
the；/
C.
/；the
D.
/；/
【单选题】She likes playing _______ piano, but she doesn't like playing _______ basketball. [ ]
A.
the; a
B.
the; the
C.
the; /
D.
/; the
【单选题】Her brother likes playing ______ football, while she likes playing ______ piano.
A.
a, a
B.
× ,the
C.
the, ×
D.
the, the
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