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【单选题】
Often times, governments in developing countries will impose tariffs because:A.
tariffs are the best way to protect domestic jobs.
B.
tariffs are the best way to show the rest of the world that the government is stable.
C.
tariffs are often the cheapest and most effective means available of generating government revenues.
D.
tariffs are the only way to promote domestic production in most developing countries.
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【多选题】public abstract class Shape { private int x； private int y； public abstract void draw（）； public void setAnchor（int x， int y） { this.x = x； this.y = y； } } Which two classes use the Shape clas...
A.
public class Circle implements Shape { private int radius； }
B.
public abstract class Circle extends Shape { private int radius； }
C.
public class Circle extends Shape { private int radius； public void draw（）； }
D.
public abstract class Circle implements Shape { private int radius； public void draw（）； }
E.
public class Circle extends Shape { private int radius；public void draw（） {/* code here */} }
F.
public abstract class Circle implements Shape { private int radius；public void draw（） { / code here */ } }
【简答题】Miss Li often looks after________(she)
【简答题】编写程序: 通过键盘输入 10 整数在一维数组中,并且把该数组中所有为偶数的数,放在另一个数组中。
【单选题】若有以下程序： #include ＜iostream＞ using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa,( ) { cout＜＜a＜＜', '; } }; class B { private: int b; public: void setb(int x) { b...
A.
1,2,3
B.
1,1,1
C.
2,2,2
D.
3,3,3
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