instinctively acquire and display． Is the ability to speak just another sort of instinct? If so, how did human beings acquire this amazing skill? Biologists can readily indicate that particular area of our brain where speech mechanisms function, but this doesn't tell us how that part of our bodies originated in our biological history．

　　1．According to the passage, the wonder we take for granted is ________．

　　A．our ability to use language

　　B．the miracle of technology

　　C．the amazing power of nature

　　D．our ability to make noises with mouth

　　解析：选A　细节理解题。根据第一段的叙述可知，我们每天都在用语言交流我们的思想感情，这可谓是一个奇迹，但是因其自然流露，我们完全忽视了它的功能与作用，想当然地认为就是这个样子。D项有一定干扰性，但叙述不完全。

　　2．What feature of "body language" mentioned in the passage is common to both humans and animals?

　　A．Lifting heads when sad．

　　B．Keeping long faces when angry．

　　C．Bristling hair when ready to attack．

　　D．Bowing heads when willing to obey．

　　解析：选D　细节理解题。根据第三段中"Similarly, the bowed head or drooping tail shows a readiness to take second place in any animal gathering．"可知，俯首是人和动物表示服从的共同之处。

　　3．What does the underlined word "it" in the second paragraph refer to?

　　A．Nature's talent show．

　　B．A species of animal．

　　C．A special act of humans．

　　D．Information communicated to others．

　　解析：选C　代词指代题。根据语境可知此处"it"是就近指代上一句中的"their own special act"，即"人类所形成的自己的独特的行为"。句意：如果我们用最简单的词语来概括它的话，那是一种通过变化我们呼气时所发出的声音来向别人交流信息的能力。

　　4．This passage is mainly about ________．

　　A．the development of body language

　　B．the special role humans play in nature

　　C．the power to convey information to others

　　D．the difference between humans and animals is language use

　　解析：选C　主旨大意题。通读全文可知，本文讲述了人类使用语言的能力、人类与其他动物共有的"身势语"以及动物如何使用"身势语"。总之，本文讲述了人与动物传达信息的能力。

　　Ⅱ．任务型阅读

　　While many people are accessible by e­mail, sometimes it is difficult to determine how exactly to write an e­mail to them． Here are some tips for you to follow．

　　Write an appropriate subject line． The subject line should tell the recipient (接收者) immediately what the e­mail is about． 1．________ Remember that your wording also has to be brief．

　　2．________ It is best to be more formal rather than informal, so when writing to someone you have never met or written to before, a "Dear Jane Smith" is appropriate． When addressing someone whom you are a little familiar with, a "Dr． Smith" is okay until they tell you to address them by their first name, in which case a simple "Jane" will be okay．

3．________ Within the first two sentences of your e­mail, your recipient should know