2．It's time that ________________(我们该改善空气质量)．

　　3．I wish that everything in nature ________________(能和谐共处)．

　　4．________________(如果你早点来)，you would have met him.

　　5．It is our tradition to ________________(燃放)fireworks during the Spring Festival.

　　答案：

　　1．I was about to leave　2.we improved/should improve the air quality　3.could fit in with each other　4.If you had come earlier　5.set off

　　Ⅲ.阅读理解

　　(2015·山西省考前质检)A poor set of curtains may not just mean you wake up too early—they could also make you fat.Sleeping in a room with too much light has been linked to an increased risk of piling_on_the_pounds，a study shows.

　　Greater exposure to light at night raised both body mass index and waist size in more than 113,000 women taking part in the British study.The study followed the women for 40 years to identify root causes of breast cancer.Obesity is a known risk factor for the disease.

　　“The associations we saw in our study between light exposure at night and obesity are very interesting.We cannot yet tell at this stage what the reason for the associations is，but the results open up an interesting direction for research，”said Prof.Anthony Swerdlow，from the Institute of Cancer Research.“One possible explanation is that the light is interrupting the body clock，which stems from our evolutionary past(进化历程)．We were active when it was light in the day and restful when it was dark at night.”

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