1．A large number of_ocean (海洋) animals died from global warming.
2．One of some byproducts called greenhouse (温室) gases is carbon dioxide (二氧化碳) which can trap more heat energy in the atmosphere.
3．It exposes the_cruelty (残忍) of the whole society.
4．She does oneonone work with the students, helping with everything from housing to job hunting (寻找)．
5．For example, tigers are hunted for fur to make carpets so that they can only live in reserves (保护区).
