题目内容

2. There _________ nothing more for discussion, the meeting came to an end half an hour earlier.

A. to be
B. to have been
C. being
D. be

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3. Time ________ , the celebration will be held as scheduled.

A. permit
B. permitting
C. permitted
D. permits

分析以下JavaScript程序var x=prompt(“请输入1-5的数字！”,“”);switch (x)case “1”:alert(“one”);case “2”:alert(“two”);case “3”:alert(“three”);case “4”:alert(“four”);case “5”:alert(“five”);default:alert(“none”);运行以上程序，在提示对话框中输入“4”，依次弹出的对话框将输出:

A. four,none
B. four,five,none
C. five
D. five,none

鼠标移过事件和鼠标移出事件分别是

A. onmouseout，onmouseover
B. onmouseover，onmouseout
C. onmousedown，onmouseup
D. onmouseup, onmousedown

在 html 中，使用外部 JS 文件的语句为（）

A.
B.
C.
D.