Obiectives 1. understand the main idea( some E.T. has tried to establish relationship with people on Earth but found their friendly initiative rejected due to misunderstandings.) 2. appreciate the difference between formal speech and informal speech 3. grasp the key language points and grammatical structures in the textObjectives • 1. understand the main idea ( some E.T. has tried to establish relationship with people on Earth, but found their friendly initiative rejected due to misunderstandings. ). • 2. appreciate the difference between formal speech and informal speech. • 3. grasp the key language points and grammatical structures in the text