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Questions 9-13Choose the correct letter from A-D and write it in boxes 9-13 on your Answer Sheet. The writer of this article（）
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桥梁试验检测是施工控制的重要手段。( )
Questions 32-35Reading Passage 3 describes numerous cause and effect relationships.Match each EFFECT with one of the CAUSES (A-G) below.NOTE: there are more causes than you will need to use. You may use any cause more than once.LIST OF CAUSESA. rise in water vapourB. rise in global temperatureC. greenhouse gasesD. thick cloud and carbon dioxideE. radiationF. reduction in the number of treesG. holes in the ozone layer EFFECT: ineffective carbon dioxide exchange（）
Questions 11 to 18 are based on the conversation yon have just heard.
吸入性肺脓肿的最常见病原体是
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