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【单选题】
Direction: Please read the following 2 arguments carefully, and decide which are facts and which are opinions. Notice all the sentences in the 2 passage have already been numbered in sequence. Argument 1: (1)We should invest more in space travel. (2)Many discoveries have come about through space travel. (3)It is important for us to learn more about the universe we live in. (4)The fuel needed for space travel may not be around for much longer so we should use it while we have the chance.
A.
fact
B.
opinion
C.
omitted
D.
(ommitted)
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【判断题】血红蛋白的主要功能是结合与运输O2和CO2,即供给全身细胞所需的O2,并带走细胞所产生的大部分CO2。
A.
正确
B.
错误
【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 ()
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A.
提供营养
B.
缓冲温度
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运输激素
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运输O2和CO2
E.
提供铁
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【单选题】主要具有运输O2和CO2功能的血细胞是
A.
单核细胞
B.
淋巴细胞
C.
中性粒细胞
D.
白细胞
E.
红细胞
【单选题】运输 O2 和 CO2 主要是什么血细胞的功能
A.
红细胞
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血小板
C.
中性粒细胞
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单核细胞
【单选题】下面代码完成EditText控件文本的获取,请补全下面的代码? private void submit() { String editTextString = ( ) ; }
A.
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mEditText.toString().trim()
C.
mEditText.getText().toString().trim()
D.
mEditText.toString()
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