B．It belonged to the locals.

　　C．It had no value to develop.

　　D．It had been protected by the government.

　　4．What can we learn about the canyon?

　　A．It is colorful. B．It is muddy.

　　C．It is boring. D．It is scaring.

　　【语篇导读】　本文是作者一家到萨克利肯特峡谷旅游时的描述，在当地政府的保护下，自然美景得到保护，让游客享受到了独特的自然美。

　　1．解析：选A。细节理解题。根据第二段第四句中的the ice­cold water可知，作者认为河水很冷。故选A项。

　　2．解析：选B。细节理解题。根据第二段第三句The look on Mom's face showed me that there was no alternative.(妈妈脸上的表情告诉我没有其他的选择。)可知，是妈妈的面部表情让作者决定过河的。故选B项。

　　3．解析：选D。推理判断题。根据第三段最后一句．..it was a protected national possession ...可知，该峡谷是国家所有，所以是得到了政府的保护。

　　4．解析：选B。细节理解题。根据最后一段可知，作者一家在峡谷里不仅做泥面膜(a mud pack)而且用泥玩游戏，所以峡谷是有泥的。其他三个选项文章没有描述。故选B项。

　　长难句分析：I was surprised that the locals hadn't already made a beauty industry out of this，mining this natural resource，when I remembered that thankfully，it was a protected national possession，located in a national park.

　　句式分析：I was surprised ...when ...是该句的主干，其中when意为"就在那时"；两个that引导的分别是surprised和remembered的宾语从句；两个非谓语动词短语mining this natural resource和located in a national park作状语。

　　句意：就在我吃惊于当地人怎么没有利用开采这里的自然资源而破坏掉自然美的时候，我突然记起，幸运的是，这个峡谷位于国家公园，是受保护的国家财产。

　　B

　　Melbourne, Australia

　　Melbourne is a hot­spot travel destination, and it's easy to see why with its beautiful beaches and busy city life.

　　Why it's a great choice: Australia as a whole is considered a safe destination for international travel, and because of that, many solo travelers go there. As an English­speaking country, you won't be faced with any language barriers. Melbourne is easy to get around because you can walk or bike practically anywhere!

　　Thailand

Thailand is great for solo travelers-perhaps because it is one of the Buddhist mindsets,