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stress growing over these years had pushed the camera from beside my pillow to the box in the comer.I thought Ineeded a change.I took out the camera and dusted it down.It was a great joy that it still worked.I bought new film and took thecamera everywhere I went.Now it is always on hand to accompany me on journeys,to allow me time to myself.Evenif the day is full and busy,I can seize some moments for myself to take photos,to observe the world around me.The wall of my room now holds all my camera equipment on display,along with photos I've taken.To me,theroom represents how I've found happiness:by reconnecting to the younger part of myself I laid aside,by allowingroom in my life for pleasure to exist,and by creating an environment that allows opportunities for delight.24.What did the author think of taking photos as a young boy?A.Inspiring and practical.B.Tiring yet delightful.C.Exciting and worthwhile.D.Difficult yet engaging25.Why did the author stop taking photos according to paragraph 2?A.He wanted to focus on his workB.He was struck by sudden sorrow.C.He attempted to behave like an adult.D.He was faced with increasing pressure.26.What did the author get from picking up his hobby?A.More fun in the daily routine.B.New journeys in the wild.C.Better skills of observation.D.Different styles of photography.27.What is the best title for the text?A.Revisiting Lost Childhood MemoriesB.Appreciating Beauty Behind the LensC.Escaping Teenage Sadness with CameraD.Regaining Pleasure Through PhotographyOScientists have shown how plants can protect themselves against genetic damage caused by environmentalstresses.The growing tips of plant roots and shoots have an in-built mechanism (that spells cell death if DNAdamage is detected,avoiding passing on faulty DNA.Plants have small populations of stem cells (at the tips of their roots and shoots,which enable themto continuously grow and produce new tissues throughout their lifetime.These stem cells serve as ancestors for planttissues and organs.However,any genetic faults present in the stem cells will continue to exist and be passed onpermanently throughout the plant's life,which could last thousands of years.Given the critical role of stem cells and their exposure to potentially dangerous environments at the growing tipsof roots and shoots,safeguards are necessary to prevent stem cell faults from becoming fixed.Researchers NickFulcher and Robert Sablowski,funded by the Biotechnology and Biological Sciences Research Council,aimed touncover these protective mechanisms.Through experiments involving X-rays and chemicals,they discovered thatstem cells were more sensitive to DNA damage compared to other cells.When DNA damage occurs,the cells have the capacity to detect it and cause programmed cells to die,preventingthe propagation of the damaged genetic code to the rest of the plant tissues.This process has similarities to thesafeguard mechanism found in animal cells,which has been broadly studied due to its relevance in preventing cancer.The identification of a similar protective system in plants is of great interest in the field of plant development.Italso helps scientists develop plants that can better handle environmental stress.So knowledge of how plants deal with
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