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某化合物中两种相互偶合的质子，在100MHz仪器上测得其化学位移（δ）差为1.1ppm，偶合常数（J）为5.2Hz，在200MHz仪器上测出的结果为（ ）
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Section ADirections:In this section,there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given inaword bank following the passage.Read the passage through carefully before making your choices. Each choice inthe bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2with a single line through the centre. You may not use any of the words in the bank more than once．Questions 26 to 35 are based on the following passage.Millions die early from air pollution each year. Air pollution costs the global economy more than $5 trillion annually in welfare costs, with the most serious 26 occurring in the developing world.The figures include a number of costs 27 with air pollution. Lost income alone amounts to $225 billion a year.The report includes both indoor and outdoor air pollution. Indoor pollution, which includes 28 like home heating and cooking, has remained 29 over the past several decades despite advances in the area. Levels of outdoor pollution have grown rapidly along with rapid growth in industry and transportation.Director of Institute for Health Metrics and Evaluation Chris Murray 30 it as an “urgent call to action.” “One of the risk factors for premature deaths is the air we breathe, over which individuals have little 31 , ” he said.The effects of air pollution are worst in the developing world, where in some places lost-labor income 32 nearly 1% of GDP. Around 9 in 10 people in low- and middle-income countries live in places where they 33 experience dangerous levels of outdoor air pollution.But the problem is not limited 34 to the developing world. Thousands die prematurely in the U.S. as a result of related illnesses. In many European countries, where diesel(柴油) 35 have become more common in recent years, that number reaches tens of thousands.
中国水资源特点不包括( )
以下世界资源分布特点中错误的是( )
中国陆地总面积约占世界陆地面积的( )
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