Is it good for the school to expel students who are found cheating in the exam? Talk about the advantages and disadvantages.
Some students join clubs and group activities during their spare time, while other students spend most of their time studying. Which do you prefer and why?
A student wrote a letter to suggest that the university should display artwork of students in the library.
Reason 1: give art students an opportunity to exhibit their works;
Reason 2: make the library look more interesting.
【学生态度】 The girl agrees.
Reason 1: The library is a place where students could show their works and many students visit the library daily, including the girl herself. This proposal will let more students have an access to students’ artworks;
Reason 2: The library is newly built with much spare. Right now, it looks boring. Colors within students’ artworks will make the library a more interesting place.
Question: Explain the woman’s opinion and why she holds that opinion.
Dimorphism: different animal individuals within one species might show different characteristics.
【教授举例】：Birds’ feathers differ according to their genders.
Example 1: The male birds have larger bodies with the flamboyant feather to attract the females to mate with them, but by doing so they attract the predators’ attention too.
Example 2: Female birds are usually smaller in size with some green or grey feather around their necks. Such a trait works for mother birds to take better care of their chicks.
【学生困难】：The girl wants to attend the geology field trip but she also wants to go home during her vacation.
【解决方案】：There are two possible solutions.
First, she can go home.
Pro: She may spend time together with her parents and especially with her sister whom she hasn’t seen for a while.
Con: She will miss the field trip that she loves.
Second, she can attend the field trip.
Pro: There will be plenty of other chances to go back home.
Con: She can’t see her sister.