A　[主旨大意题。纵观全文可知本文讲的是中国科学家发现了一种人体血浆蛋白与H7N9病死亡率有关，故选A。]

　　2．The underlined word "critical" in the third paragraph most likely means ．

　　A．unimportant B．mistaken

　　C．urgent D．successful

　　C　[词义猜测题。根据第三段最后一句话中的"in critical condition keeps going up，while that of mild cases tends to drop"可知critical condition与mild cases进行对比，故critical与mild意思应该相反，表示"危急的"，故选C。]

　　3．According to the passage, which of the following statements is NOT true?

　　A．H7N9 patients with higher levels of angiotensin Ⅱ carry more viral load.

　　B．Angiotensin Ⅱ is a human protein to regulate blood pressure.

　　C．H7N9 virus may cause human breathing failure.

　　D．The researchers collected plasma from 47 H7N9 patients in the city of Hangzhou and made the discovery.

　　D　[细节理解题。根据倒数第二段最后一句话可知D项错误，故选D。]

　　4．You can probably find this article in ．

　　A．a booklet B．a newspaper

　　C．a guide book D．an advertisement

　　B　[文章出处题。a booklet"小册子"；a newspaper"报纸"；a guide book"旅行指南"；an advertisement"广告"。根据文章内容可知本文是一则关于医学研究发现的新闻报道，应该在报纸上见到，故选B。]

　　Ⅱ.完形填空

　　Every four years we get to see the best athletes win the Olympic medals.But sometimes the best 1 comes from those who don't win-or 2 those who rank dead last.

In 1988，Michael "Eddie the Eagle" Edwards became the first competitor since