【单选题】【消耗次数：1】
如果没有为一个类定义任何构造函数的情况下，下列描述正确的是（ ）
①
编译器总是自动创建一个不带参数的构造函数
②
这个类没有构造函数
③
这个类不需要构造函数
④
该类不能通过编译
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相关题目
【单选题】
如果没有为一个类定义任何构造函数的情况下，下列描述正确的是（ ）
①
编译器总是自动创建一个不带参数的构造函数
②
这个类没有构造函数
③
这个类不需要构造函数
④
该类不能通过编译
【单选题】
在创建派生类对象时，构造函数的执行顺序是（）
①
对象成员构造函数―基类构造函数―派生类本身的构造函数
②
派生类本身的构造函数―基类构造函数―对象成员构造函数
③
基类构造函数―派生类本身的构造函数―对象成员构造函数
④
基类构造函数―对象成员构造函数―派生类本身的构造函数
【单选题】
多继承的构造顺序序可分为如下4步:①所有非虚基类的构造函数按照它们被继承的顺序构造;②所有虚基类的构造函数按照它们被继承的顺序构造;③所有内嵌对象的构造函数按照它们声明的顺序构造;④派生类自己的构造函数体;这4个步骤的正确顺序是（ ）
①
④③①②
②
②④③①
③
②①③④
④
③④①②
【单选题】
多继承的构造顺序序可分为如下4步:①所有非虚基类的构造函数按照它们被继承的顺序构造;②所有虚基类的构造函数按照它们被继承的顺序构造;③所有内嵌对象的构造函数按照它们声明的顺序构造;④派生类自己的构造函数体;这4个步骤的正确顺序是（ ）
①
④③①②
②
②④③①
③
②①③④
④
③④①②
随机题目
【单选题】
The fox fell into the _____the hunter had set for it.
①
bush
②
trap
③
trick
④
circle
【单选题】
You should know better than _____your little sister at home by herself.
①
to leave
②
leaving
③
to have left
④
left
【单选题】
The reason that his property was confiscated by the country, it _____, was that he was involved in a lot of fraudulent activities during the war.
①
was turned out
②
was being turned out
③
being turned out
④
turned out
【单选题】
By the end of next month we _____this assignment.
①
will finish
②
will be finishing
③
will have finished
④
have finished
【单选题】
Our teacher recommended that we _____as attentive as possible when we visit the museum.
①
are
②
shall be
③
be
④
were
【单选题】
_____native to North America, corn has now spread all over the world.
①
In spite of
②
That it is
③
It was
④
Although
【单选题】
Televisions enable us to see things happen almost at the exact moment _____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
By the time you graduate, we _____in Australia for one year.
①
will be staying
②
will have stayed
③
would have stayed
④
have stayed
【单选题】
If you want children to work hard you must _____their interests instead of their sense of duty.
①
appeal to
②
look into
③
give rise to
④
go in for