This book discusses the most recent events of space travel, it certainly is ____.A:up to nowB:up to this momentC:up to this pointD:up to date

题目

This book discusses the most recent events of space travel, it certainly is ____.

A:up to now

B:up to this moment

C:up to this point

D:up to date


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更多“This book discusses the most recent events of space travel, it certainly is ____. A:up t ”相关问题
  • 第1题:

    Since the beginning of history, people have___ travel.

    A、dreamed

    B、dreamed for

    C、dreamed of

    D、dreamed with


    正确答案:C

  • 第2题:

    有如下程序:

    #include<iostream>

    using namespace std;

    class Book{

    public:

    Book(char*t=””){strcpy(title,t);}

    private:

    char title[40];

    };

    class Novel:public Book{

    public:

    Novel(char *t=””):Book(t){}

    char*Category()const{return”文学”;)

    };

    int main(){

    Book *pb;

    pb=new Novel();

    cout<<pb->Category();

    return 0;

    }

    若程序运行时输出结果是“文学”,则划线处缺失的语句是

    A.char*Category();

    B.char*Category()const;

    C.virtual char*Category()const;

    D.virtual char*Category()const=0;


    正确答案:D

  • 第3题:

    These animals migrate south annually in search of food.

    A: explore
    B: inhabit
    C: prefer
    D: travel

    答案:D
    解析:
    题干意为“每年这些动物都迁徒到南方去寻找食物。”句中划线词为动词,意为“迁徒”。D项travel“旅行,行进”,例句:I've been travelling all year.我一整年都在旅行。A项意为“探索”,B项意为“栖息,居住”,C项意为“更喜欢”,故选 D项。

  • 第4题:

    有如下程序: #inClude<iostream> using namespaCe std; Class Book{ publiC: Book(Char*t=””){strCpy(title,t);} private: Char titlel40]; }; Class Novel:publiC Book{ publiC: Novel(Char*t=””):Book(t){} Char*Category( )Const{return”文学”;} }; int main( ){ Book * pb; pb=new Novel( ); Cout<<pb→Category( ); delete pb; return 0; } 若程序运行时输出结果是“文学”,则横线处缺失的语句是( )。

    A.Char*Category( );

    B.Char*Category( )Const;

    C.virtual Char*Category( )Const;

    D.virtual Char*Category( )Const=0;


    正确答案:D
    本题考查纯虚函数和抽象类,纯虚函数是在声明虚函数时被“初始化”为0的函数,包含纯虚函数的类为抽象类,抽象类足不能被实例化的,但是可以定义指向抽象类数据的指针变量,当派生类成为具体类后,就可以用这种指针指向派生类的对象,然后通过该指针调用虚函数,实现多态性的操作。所以本题答案为D。

  • 第5题:

    These animals migrate south annually in search of food.

    A:explore
    B:inhabit
    C:prefer.
    D:travel

    答案:D
    解析:
    本句意思:这些动物每年南迁以寻找食物。migrate迁徙。travel旅行,行进;explore探索,开发;inhabit栖息,居住;prefer更喜欢。

  • 第6题:

    Subsequent events proved the man to be right.

    A:earlier
    B:later
    C:previous
    D:recent

    答案:B
    解析:
    本句意思:接下来发生的事证明这个人的观点是对的。subsequent意为“随后的,继······之后的”,与later(后来的)意思相近。earlier早先的;previous先前的;recent最近的。