①位于____半球（填南、北）____半球（填东、西）．②位于____半球（填南、北）____半球（填东、西）．

图中，1是两种元素在元素周期表中的信息，2 是氟原子的原子结构示意图．

下图是“世界部分地区简图”，读图回答下列各题。

根据对话内容从方框巾选择能填入空白处的最佳选项补全对话，其中两项是多余的．

A：Hi，Tom．____．

B：I watcher a movie with my brother．

A：____．

B：It's about Mars．

A：____．

B：It's very interesting and I love it．

A：Can you tell me something about the movie?

B：____．The movie tells that astronauts have been to Mars and they have found life there．

A：Really?What else?

B：Do you really want to know more about the movie?

A：Yes．I do．

B：____．

A：You're right．I'll watch it this evening．