15.C　由“As she held his arm,he tried to pull the handle...”可知,约翰准备把米歇尔托出水面。lift sb.out of water“把某人托出水”。

　　16.A　约翰试图抓住控制杆,但够不着。reach“触碰,触及”;sense“感觉”;remember“记住”;feel“摸起来,感觉”。

　　17.B　hold onto sb.“抓住某人不放”。

　　18.C　约翰认为他有更好的机会救米歇尔。选择C项。doubt“怀疑”;insist“坚决要求”;figure“估算,认为”;pretend“假装”。

　　19.B　约翰用尽力气,从摩托艇上跳到风筝上,然后把它拽入水中。heart“心脏”;strength“力气”;care“关心”;consideration“考虑”。

　　20.A　通过这次危险的经历,米歇尔感受到生命是脆弱的,应该要享受生活。A项符合语境。

　　二、七选五阅读填空(共5小题;每小题2分,满分10分)

　　You think you know your dog.　1　 She probably recognizes you when she sees you.But can a dog tell by simply looking at you whether you have a happy or an angry expression on your face?Researchers in Austria have taught pet dogs to know the difference. 

　　2　 When dog owners shout or speak in a strong,sharp voice,dogs often act guilty and quietly move away from the area. 

　　Recently,researchers found that dogs can look at our faces,and tell the difference between a smile and a frown.The animals were able to recognize a look of approval from one of disapproval.Researchers at the University of Veterinary Medicine performed a series of experiments.　3　 They showed the dogs two pictures of either the upper or lower half of a person’s face.On one picture,the person looked happy.The other appeared angry.The dogs were then shown images of the eyes or mouths of people they had never seen before. 

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