从以下选项中选择最合适的词语：

That people _____ the musical features of birdsongs suggests that despite the vast evolutionary gulf between birds and mammals, songbirds and humans share some common auditory perceptual abilities.

A mimic 　　B recognize 　C relish 　　D are confounded by 　　E can make out 　F are puzzled by

从以下选项中挑选合适的词入到空格里：

When Zuckerberg, who was making his first __1___ before Congress, first took his seat, surrounded by a __2__ forest of clicking cameras, he __3__ somewhat like a prisoner in the dock. But he seemed confidence to grow in confidence as the afternoon wore on and tried to appear open and __4___. He frequently used the respectful term “Senator” and ___5__ them for asking “important questions”, some of which he said “his team” would report back on later.

A. appearance B. cooperative C.complimented D.thick E. looked

参考答案：1、A appearance 2、D thick 3、E looked 4、cooperative  5、complimented 

解析：forest除了“森林”的意思之外，还有另外一个意思，即柯林斯词典所解释的：A forest of tall or narrow objects is a group of them standing or sticking upright.