【单选题】
To make this ____ clear we shall have to look closely
into biology’s long history.
①
distinction
②
indication
③
recognition
④
constitution
【单选题】
To make this _____clear we shall have to look closely into biology’s long history.
①
distinction
②
indication
③
recognition
④
constitution
【单选题】
下列JavaScript语句中能正确执行的是( )。
①
document.printf(Welcome to You!);
②
var x=5;if(x) {alert(Hello World! );}
③
var z,if;
④
{var x=4,y=9;alert(Hello World!”);
【单选题】
有如下JavaScript代码，运行后页面文档背景色为蓝色，要实现该效果，横向处应填写( )。
①
bgColor
②
backgroud
③
color
④
background-color
【单选题】
— As we all know, the invention of the Internet was a great breakthrough in human history. ___________?— Yes, of course.
①
What is your opinion
②
Do you know the reason
③
Do you think so
④
what do you think?