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【单选题】
关于this指针的说法错误的是（ ）A.
this指针必须显示说明
B.
当创建一个对象后，this指针就指向该对象
C.
成员函数拥有this指针
D.
静态成员函数不拥有this指针
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】How did the writer's colleagues react when they got to know his decision?
A.
They offered him a lot of moral support.
B.
They thought it was a good idea.
C.
They refused to give him any financial help.
D.
Their responses were mostly negative.
【简答题】 人们常采用扦插的方式对葡萄进行繁殖。扦插时,葡萄枝条带有腋芽的成活率高,还是无腋芽的成活率高?请你设计一个实验,探究腋芽的有无与扦插枝条成活率的关系。 (1)作出假设: 。 (2)实验变量: 。 (3)实验步骤:1取20支生长状况基本相同的葡萄枝条,将枝条下端均切成斜向切口。2分组编号及处理:A组10支,枝条均保留2~3个腋芽;B组10支,均去掉腋芽。3略。实验步骤2中遵循了对照实验的 原则。...
【简答题】“收入一费用：利润”反映的是资金运动的动态方面，反映的是某一特定日期的经营成果．反映一个过程，是编制利润表的依据。（ ）
【简答题】“收入-费用=利润”反映的是资金运动的动态方面，反映的是某一会计期间的经营成果，反映一个过程，是编制利润表的依据。（ ）
【单选题】Which of the following statements is meant by the writer?
A.
Ehleringer was successful in his research.
B.
Ehieringer failed in his research.
C.
Ehleringer can be a successful detective.
D.
Ehleringer's research proved successful in China.
【简答题】小明和同桌小聪在课后复习时，对课本“目标与评定”中的一道思考题，进行了认真的探索。【思考题】如图，一架2.5米长的梯子AB斜靠在竖直的墙AC上，这时B到墙C的距离为0.7米，如果梯子的顶端沿墙下滑0.4米，那么点B将向外移动多少米？ （1）请你将小明对“思考题”的解答补充完整：解：设点B将向外移动x米，即B B 1 =x，则B 1 C=x+0.7，A 1 C=AC﹣AA 1 = 而A 1 B 1 ...
【单选题】A good writer is______who can express the commonplace in an uncommon way.
A.
that
B.
those
C.
him
D.
one
【单选题】Which of the following statements is meant by the writer?
A.
Ehleringer was successful in his research.
B.
Ehleringer failed in his research.
C.
Ehleringer can be a successful detective.
D.
Ehleringer's research proved successful in China.
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