Human historyHuman history at Biscayne begins more than 10,000 years ago.Scientists say evidence of the area's earliestpeople is mostly underwater now and learn about these people by examining the hills of shells they left behind.Asthe population grew,it divided into separate cultures.The groups began making pottery and created trade networks.These Native Americans are called the Tequesta.The Tequesta depended on the rich food source of the sea tosurvive.They were not centered on farming and had more time than other natives for art and religion.The reefs andrough waters made it difficult for early explorers resulting in more than 50 shipwrecks.Scuba divers today canexplore six of them.Exploring the parkMany visitors to Biscayne National Park choose to explore underwater.Guides lead snorkeling and scubadiving trips.At Boca Chita Key,visitors can explore a lighthouse,a symbol of Biscayne National Park built in the1930s.But visitors to Biscayne National Park probably are not there to see skyscrapers and city lights.The beautyin Biscayne is quiet waters,rustling mangroves.21.What is the feature of the ecosystem in the Biscayne National Park?A.The mixed biological communities.B.The different species of the animals.C.The low-lying islands or reefs.D.The clear and warm waters.22.What can we know from the last two paragraphs?A.Human history dates back to more than 50,000 years ago.B.The Native Americans prefer farming to fishing.C.Scuba divers today are to see skyscrapers and city lights.D.Biscayne is a paradise for the water sports enthusiasts.23.Where is the text most probably taken from?A.A personal diary.B.A travel magazine.C.A geography textbook.D.A book review.心As a reporter,I talk to strangers for a living and love the challenge of getting them to open up.Yet here's aconfession:I've been married for eight happy years,but until six months ago,I could be the stereotypicalinattentive husband.It's not that my wife and I never had pleasant conversations.But more often than I care to admit,I was justgoing through the motions,nodding when I was supposed to..I was the guy who'd defensively snap(厉声说),“Ofcourse I did!"when my wife would ask,"JB,did you even hear what I just said?"In January,I began to lose my voice repeatedly.Doctors told me I needed surgery,or else my throat would bepermanently damaged.Total silence would be required for the first few weeks of my recovery.Two hours after the surgery,my eyes filled with tears as my two-year-old son stood by me looking puzzledbecause I wouldn't answer his questions.I wanted to talk but couldn't.But before I got home,I had settled into a Zen-like peace about my silence.Soon I noticed another "sideeffect":As my wife talked to me to keep up my spirits,I wasn't just hearing her;I was listening to her.Over the next few weeks,I found myself unwilling to miss a word she said.I began to hear a sweetness in hervoice that I hadn't recalled for long.I found myself understanding her better on topics I'd previously dismissed as“things I just don't get as a guy.”I also realized my toddler(学步的儿童)wasn't just chattering nonstop but that he often had surprisinglythoughtful things to say for his age.Even while walking my dog in the woods near our home,I began hearing pleasant patterns in bird songs.The英语试题第3页(共8页)