下图为光合作用示意图。据图分析，下列说法正确的是 A．X表示氧气 B．Y表示二

在FrontPage2003中，下列关于创建超链接的叙述错误的是（）。

A、可以链接到电子邮件信箱

B、在表格中不能建立超链接。

C、在表单中可以建立超链接。

D、一张图片可以包含多个链接。

He didn't buy the book because he was interested in poetry.

A．He didn't buy the book because he was not interested in poetry.

B．He bought the book, but it is not because he was interested in poetry.

C．He bought the book because he was interested in poetry.

D．He bought the book because he was not interested in poetry.

图中螺旋测微器的读数为           mm

我国的政党制度在世界政党制度中独具特色。这种特色表现为 [ ]

① * * 党立法，民主党派守法

② * * 党执政、民主党派参政

③ * * 党领导、民主党派合作

④ * * 党监督、民主党被监督

A．①②

B．②③

C．②④

D．③④

转炉修炉前应做哪些准备工作？