2025届普通高等学校招生全国统一考试·青桐鸣高二联考(9月)英语答案正在持续更新，目前2026天舟高考答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

"Sam!"I yelled."Kyle,help me and send a helicopter!"After about thirty minutes,I saw a helicopter.Icould see Sam and Kyle looking anxiously from it.My eyes lit up and my heart missed a beat.The helicopterbuzzed overhead,and then kept on going.I floated on my back to make myself more visible,my body pale incontrast to the darker ocean.When the helicopter came by again,I moved my arms and legs desperately to attracttheir attention.Again,the helicopter disappeared.Helpless,I stared in disbelief as they missed seeing me twicein a row.Deciding that I needed to save my energy,I continued floating on my back and closed my eyes.Gradually,a noise grew louder.I soon realized a helicopter was overhead.The crew had seen me,but itmight be too late.Waves of exhaustion overwhelmed me.My leg muscles tightened uncontrollably."This is it,"Ithought,as I gave up to the weight that was pulling me down.Then,I felt a strong arm wrap across my chest and turned to see a rescue diver.He asked me if I wasalright.The next thing I knew was that I was in the air.The waves that had just been big enough to kill mesuddenly seemed small.24.Which of the following can best describe the author in paragraph 2?A.Curious and careful.B.Happy and relaxed.C.Proud but disappointed.D.Anxious but satisfied.25.Why couldn't the author swim back to shore?A.He met with fast wind.B.He couldn't perform his best.C.He was not a strong swimmer.D.He was not used to the warm water.26.What did the author do to increase his chances of being seen by the passing helicopter?A.He tried to preserve his energy.B.He made his arms pale.C.He yelled at the helicopter.D.He floated on his back.27.What does the author's thought "This is it"mean?A.The disaster came to an end as expected.B.He finally got the rescue he needed badly.C.He was convinced he was about to drown.D.The waves were not big enough to kill him.Pandas only consume bamboo-a poor quality diet low in fat.But they appear to have evolved to get the mostout of what they eat,according to a new study.Their gut bacteria（肠道细菌)change in late spring and early summer when bamboo is at its mostnutritious-while it's sprouting protein-rich green shoots.The bacteria make the pandas gain more weight andstore more fat,which researchers said may compensate for a lack of nutrients later in the year,when bambooplants have only fibrous leaves."We've known these pandas have a different set of gut microbiota during the shoot-eating season for a longtime,and it's very obvious that they are chubbier during this time of the year,"said lead study author GuangpingHuang,a researcher at the Chinese Academy of Sciences.To investigate how the gut bacteria could affect a panda's metabolism(新陈代谢)，the team first collectedthe feces()of eight wild giant pandas during both leaf-eating season and shoot-eating season and thenexamined how the feces samples differed.They found that a bacterium called Clostridium butyricum was moreabundant in the pandas'guts during the season when they enjoy the fresh bamboo shoots.Then,the researchersput the panda feces into lab mice.Then they fed the mice for three weeks with a bamboo-based diet that wassimilar to what pandas eat.While mice are very different from pandas,it wasn't possible torun such tests on endangered animals,saidWei Fuwen,athr of the study.Mice have proven to be an effective model for studying the function of thegut microbiota,"Wei said.Researchers found mice with panda feces collected during shoot-eating season gainedsignificantly more weight,depite consuming the same amount of food."The gut bacteria were the only variable英语试题第4页（共8页）