内容正文：
]2016高三英语3月适应性练习B1卷 第Ⅰ卷 第一部分 听力(共两节,满分30分) 略[来源:学科网ZXXK] 第二部分 阅读理解(共两节,满分40分) 第一节 (共15小题;每小题2分,满分30分) 阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。 A A giant panda at Washington’s zoo surprised scientists and zookeepers by becoming a mom again after years of failed pregnancies. Scientists at the zoo had all but given up on 14-year-old Mei Xiang’s chances of pregnancy. However, she gave birth again on late Sunday, ten years after her first cub, a male named Tai Shan, was born in 2005. Officials will follow Chinese custom and give it a name after 1 00 days. Mei Xiang and her mate Tian Tian, born in China, are the second pair of pandas to live at the zoo. They’re treated very kindly. Since 2007, zoo officials have had five unsuccessful attempts at artificially inseminating(人工受精) Mei Xiang. But each time there was no cub. As a result, they had considered replacing Mei Xiang or 15-year-old Tian Tian with other pandas. Still, there was hope. For now, keepers said,Mei Xiang is doing well an