根据对话内容，用方框中所给单词的适当形式填空，每词限用一次。

water    no    Earth    it    for

Bill: I saw a great programme on TV about space yesterday evening.
Tony: What is ____ about?  
Bill: Scientists have discovered ____ on Mars.
Tony: Really? That's very fantastic. Have they discovered life on Mars?
Bill: Well, they're looking____  life but they haven’t found anything yet.
Tony: I know there's ____ life on the moon.
Bill: Yes, that's right. So far there's only life on ____ .
Tony: Are we alone with so many stars in the universe?
Bill: I am interested in it, so I want to be a scientist when I grow up.
Tony: I wish you will.

辨析下列文言词汇在不同句中的不同含义。

①会：会天大雨     ____

皆来会计事____

②等：等死，死国可乎____

公等遇雨____

③故：扶苏以数谏故 ____

广故数言欲亡____

④将：上使外将兵____

项燕为楚将 ____

⑤之：辍耕之垄上____

怅恨久之 ____

燕雀安知鸿鹄之志哉____

二世杀之 ____

⑥以：扶苏以数谏故____

或以为死____

今诚以吾众诈自称公子扶苏、项燕____

以激怒其众____

填空

____∶____ = $1\frac{\text{1}}{\text{5}}$  =____÷____

湖北省教育厅要求全省中小学统一开设生命安全教育课程，中小学校还须组织学生逃生演练。这些举措能够（    ）

如图，⊙O是△ABC的外接圆，AB为直径，∠BAC的平分线交⊙O于点D，过点D的切线分别交AB，AC的延长线于E，F，连接BD．