Questions 27 and 28 多选题,一个空填一个选项即可,比如27&28的正确答案是AB,在第27空填A,在第28空填B即可。 Choose TWO letters, A-E. Which TWO problems affecting organisms in the splash zone are mentioned? A lack of water B strong winds C lack of food D high temperatures E large waves Questions 29 and 30. Choose TWO letters , A-E. Which TWO reasons for possible error will they include in their report? A inaccurate records of the habitat of organisms B influence on behaviour of organisms by observer C incorrect identification of some organisms D making generalisations from a small sample E missing some organisms when counting