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【单选题】
下列有关 标签中的属性的描述,错误的是( )A.
id属性是必选属性，用于指定该元素的标识
B.
如果要输出的属性值为null，则显示default属性的指定值
C.
escape属性用于指定是否忽略HTML代码
D.
value属性用于指定需要输出的属性值
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反馈参考答案：
举一反三
【判断题】The Liberal Party and the Conservative Party are the two main Federal parties in Canada.
A.
正确
B.
错误
【单选题】Two parties of the US alternate in governing. The two main parties are_________.
A.
the Republican Party and the Liberal Party
B.
The Democratic Party and the Liberal Party
C.
The Liberal Party and the Labour Party
D.
The Democratic Party and the Republican Party
【简答题】What are the goals of the main political parties in Ireland?
【判断题】There are two main parties in New Zealand: the Labour Party and the Liberal Party.
A.
正确
B.
错误
【简答题】What are the three main political parties in the UK?
【单选题】听力原文： Leaders of the main political parties in Germany have broken with tradition to take part in an extra day of campaigning before Sunday's general election. The eve of voting is normally treated as...
A.
Social Democratic Party
B.
Labor Party
C.
The center-right parties
D.
The center-left parties
【单选题】The main parties in the draft are________
A.
seller, payee and drawer
B.
drawee, payer and drawer
C.
drawer, drawee and payee
D.
drawee, payer, and payee
【单选题】受各种因素的影响，今年大蒜价格始终居高不下，影响了人们对大蒜的需求．大蒜具有一定的抗病功能和食疗价值，大蒜新素（C 6 H 10 S 3 ）是其有效成分之一．下列关于大蒜新素的说法正确的是（ ）
A.
C、H、S元素质量比为6：10：3
B.
属于混合物
C.
大蒜新素中含有三个硫原子
D.
相对分子质量为178
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