必修一UIT5同步评估参考答案及部分解析参考答案1-5 ADBBC6-10 ADABA11.and12.happier13.exactly14.ways15.choosing16.gives17.who18.were19.are encouraged20.as21-25 ACDDC26-30 DCCDB31-34 CBAA 35-39 ECDGF40.She is a marine ecologist.41.She was trapped between rocks.42.With a piece of wood wedged under the turtle,Charlottle and George lifted the turtle upeasily.According to the passage,Charlottle and George used all their remaining strength to lift theturtle up.The rescue task wasn't easy at all.43.It was an amazing rescue.Though this rescue attempt was quite difficult,Charlottle andGeorge didn't quit.It was their determination and creativity that made them succeed in helpingthe turtle out of her prison and get freedom.One possible version:Dear Mary,I saw you're looking for some suggestions for learning Chinese on social media.Here are somesuggestions.Trying to read some Chinese classics is a good idea.Besides,you can listen to someChinese songs and learn to sing them.Last but not least,making friends with Chinese is a wisechoice,which can give you a chance to practice your Chinese.Learning Chinese will help you to know more about great Chinese culture.I'm sure you will learn