One of the most important questions they had to consider was _____ of public health.A. what B. thisC. that D. which
One of the most important questions they had to consider was _____ of public health.
A. what B. this
C. that D. which
相关考题：
The Internet has changed the way people work.They can __1__ from place to place while getting in touch __2__ their office all the time via the Internet.A recent __3__ in the America magazine, Newsweek, said more than 89 million Americana now use the Internet at work.One can __4__ imagine how business could be done without the Internet.The Internet is becoming more __4__ than any one had thought possible.And its importance is __5__ to increase more in the future.1).A.travelB.withC.reportD.expectedE.important2).A.travelB.withC.reportD.expectedE.important3).A.travelB.withC.reportD.expectedE.important4).A.travelB.withC.reportD.expectedE.important5).A.travelB.withC.reportD.expectedE.important
（ 35 ）有如下程序：#includeiostreamusing namespace std;class ONE{int c;public:ONE （ ） ： c （ 0 ） {cout1;}ONE （ int n ） ： c （ n ） {cout2;}};class TWO{ONE onel;ONE one2;public:TWO （ int m ） ： one2 （ m ） {cout3;}};int main （） tTWO t （ 4 ）return 0}运行时的输出结果是A ） 3B ） 23C ） 123D ） 213
有如下程序：#includeiostreamusing narnespace std；class ONE{int e；public：ONE()：c(O){cout1；)ONE(int n)：c(13){cout2；}}；class TWO{ONE oriel；ONE one2，public：TWO(int m)：one2(m){cout3；}}；int main(){TWO t(4)；return O；}运行时的输出结果是A．3B．23C．123D．213
下列关于CSS重要性的说法中正确的是（）A．!important要写在分号“;”的前面B．!important要写在相关属性值的前面C．!important权值为1000D．!important只能应用与字体样式设置
下面关于CSS样式优先级，正确的是A．!important ＞ id ＞ class ＞ tagB．id＞ !important ＞ class ＞ tagC．!important ＞ tag ＞ class ＞ idD．tag＞ id ＞ class ＞ !important
提升选择器样式重要性的代码正确的是（）A．.green{ color:green!important; }B．.green{ !important color:green； }C．.green!important{ color:green!important; }D．.green{ color:green； }!important;
CSS优先级说法正确的是？A．!important ＞ id ＞ class ＞ tagB．!important ＜ id ＜ class ＜ tagC．!important＞class＞id＞tagD．!important＞tag＞id＞class