【单选题】
It is only when you nearly lose someone ____ fully conscious of how much you value him.
①
do you become
②
then you become
③
that you become
④
have you become
【单选题】
The millions of calculations involved, ____ by hand,
would have lost all practical value by the time they
were finished.
①
had they been done
②
they had been done
③
having been done
④
they were done
【单选题】
This year’s total output value of industry and agriculture will increase ____ 5 percent over last year.
①
to
②
of
③
with
④
by
【单选题】
The millions of circulations involved, _____ by hand, would have lost all practical value by the time they were finished.
①
had they been done
②
they had been done
③
having been done
④
they were done
【单选题】
The millions of circulations involved, _____ by hand, would have lost all practical value by the time they were finished.
①
had they been done
②
they had been done
③
having been done
④
they were done
【单选题】
在HTML页面上包含如下所示的页面代码, 要求编写JavaScript语句清空下拉选择框country的选项内容, 则选项中的语句正确的是( )。(form name=form1 action=)(select name=country) (option value=中国)中国(/option) (option value=美国)美国(/option)(/select)(/form)（选择一项）
①
document.form1.country.options.size=0;
②
document.form1.country.options.length=0;
③
document.form1.country.options.value=
④
document.form1.country.value=
【单选题】
在html中，有如下代码，单击按钮后的效果是：( )(input type=button value=ok onclick=this.style.background=red)（选择一项）
①
页面上的文字变成红色
②
按钮上的文字变成红色
③
页面背景字变成红色
④
按钮背景变成红色
【单选题】
编译运行以下程序后，关于输出结果的说明正确的是 （ ）
public class Conditional{
public static void main(String args[ ]){
int x=4;
System.out.println(“value is “+ ((x>4) ? 9.9:9));
}
}
①
输出结果为：value is 99.9
②
输出结果为：value is 9
③
输出结果为：value is 9.0
④
编译错误
【单选题】
Which of the following statement is not true?
①
Grammatical competence is essential for communication
②
There is a positive role of instruction for grammar learning
③
Grammar teaching can enhance learner proficiency
④
Grammar learning is completely useless for children.