4.Why did Catherine decide to set up her own business?A.To accumulate work experience.B.To make donations to a charity.C.To depend on herself in the future.D.To raise money for her illness.5.What can we learn about Catherine from the text?A.She used to be addicted to junk food.B.She was offered a job in an art school.C.She was good at speaking in public.D.She set up Stella Insurance in the UK.6.Which words best describe Catherine as a businesswoman now?A.Talented and energetic.B.Successful and caring.C.Ambitious and cautious.D.Brave and imaginative.7.What message does the author seem to convey in the text?A.Well begun is half done.B.Details determine success or failure.C.Interest is the best teacher.D.A strong-willed soul can reach his goal.CPandas are famously picky eaters.They only consume bamboo-a poor quality diet low infat.But the creatures appear to have evolved to get the most out of what they do eat,according toa new study.Their gut (bacteria change in late spring and early summer when bamboo is at its mostnutritious-while protein-rich green shoots are coming out.The bacteria make the panda gainmore weight and store more fat,which researchers said may compensate for a lack of nutrientslater in the year,when bamboo plants have only fibrous leaves to chew."We've known these pandas have a different set of gut microbiota during the shoot-eatingseason for a long time,and it's very obvious that they are chubbier during this time of the year,"said lead study author Guangping Huang,.a researcher for the Institute.of Zoology at the ChineseAcademy of Sciences.To investigate how the gut bacteria could.affect a panda's digestion,the team first collectedthe wastes of eight wild giant pandas in China's Qinling Mountains during both leaf-eating seasonand shoot-eating season and.then examined how the waste samples differed.They found abacterium called Clostridium butyricum was more abundant in the pandas'guts during the seasonwhen they enjoy the fresh bamboo shoots.To understand whether this bacterium helps the pandas gain and store weight,the researchersput the panda wastes they collected into lab mice.Then they fed the mice for three weeks with abamboo-based diet that simulated (what pandas eat.Researchers found the mice which weretransplanted with panda wastes collected during shoot-eating season gained significantly moreweight than the ones which were not,despite consuming same amount of food."The gut bacteria were the only variable (in this research,"Wei explained.However,Felix Sommer at Christian-Albrechts-University,in Kiel,Germany,:noted the number of pandasstudied was small and that the experiment had only:been.performed once.Sommer also stressedthe researchers had found a,link,not a causal relationship between the bacteria and weight gain.英语试卷·第3页(共8页)