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【单选题】
有一函数 , 以下中错误的是:A.
if (x>0)y=l; else if (x==0) y=0; else y=-1;
B.
y=0; if(x>0)y=1; else if(x<0)y=-1;
C.
y=0; if (x>=0); if(x>0)y=1; else y=-1;
D.
if (x>=0) if (x>0)y=1; else y=0; else y=-1; (1.0分)
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【简答题】Which club do you think is suitable for Adam? Why? I think Adam should join the __________ club because he says that he___________
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A.
stories, cartoons
B.
animals, plants
C.
making friends, cleaning up
【单选题】中国特色社会主义理论体系包括( )
A.
毛泽东思想、邓小平理论、“三个代表”重要思想、科学发展观
B.
邓小平理论、“三个代表”重要思想、科学发展观
C.
邓小平理论、“三个代表”重要思想、科学发展观、习近平新时代中国特色社会主义思想
D.
毛泽东思想、邓小平理论、“三个代表”重要思想、科学发展观、习近平新时代中国特色社会主义思想
【单选题】The author says Johnson found it very difficult to walk because ______.
A.
he could not control his legs
B.
he has same psychological barrier
C.
people always stared at him
D.
it hurt his friends to watch him
【单选题】The author says Johnson found it very difficult to walk because ______ .
A.
he could not control his legs
B.
he had some psychological barrier
C.
people always stared at him
D.
it hurt his friends to watch him
【简答题】(1) 三氯·一氨合铂(II)酸钾 (2) 高氯酸六氨合钴(II) (3) 二氯化六氨合镍(II) (4) 五氰·一羰基合铁(II)酸钠 (5) 一羟基·一草酸根·一水·一乙二胺合铬(III)
【单选题】The author says Johnson found it very difficult to walk because ______.
A.
he could not control his legs
B.
he has some psychological barrier
C.
people always stared at him
D.
it hurt his friends to watch him
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