上面，C选项，威尼斯的部分为因为其设置，建筑以及艺术而出名，与后文成为世界遗产目录形成因果关系，切题，故选C。 【70题详解】
根据前一句It doesn’t have to be Venetian可知，不一定是威尼斯风格，本段描述狂欢节的意义，E选项，不必遵循传统，与前文形成并列结构，切题，故选E。 【点睛】句子选择题做题技巧。做题的时候边读边做。各个问题附近的句子都需要重点阅读，圈画一些线索，再从选项中寻找相关的特征词用来判断正确答案。带入排除法也是一种很好的方法。另外，如果发现有一题拿不准的，先跳过，先做容易的能做出的题，直到读完整篇文章。至此，文章的要点和主旨、各个段落之间的逻辑关系应该基本就能清楚了。然后再回过去做之前不确定的题目。
比如小题3，根据后一句The lagoon and a part of the city are listed as a UNESCO World Heritage Site.可知，泻湖和城市的一部分已经被列为联合国教科文组织世界名录上面，C选项，威尼斯的部分为因为其设置，建筑以及艺术而出名，与后文成为世界遗产目录形成因果关系，切题，故选C。
Ⅳ. Summary Writing
71.Directions: Read the following passage. Summarize the main idea and the main point(s) of the passage in no more than 60 words, Use your own words as far as possible.
Gardening can have many positive effects on your physical and mental health. Whether you’re growing fruit and veggies, flowers or succulents, getting your green thumb on can have a surprising number of health benefits for you and your family.
Depending on the size of your garden, maintaining it can be a great way to be physically active. This could be as tough as mowing the lawn, or as gentle as getting a good stretch and practice stabilizing yourself while kneeling, sitting or reaching. In fact, gardening is a recommended activity
as it can encourage the use of many motor skills, improve endurance and strength and keep you moving.
These days, we can buy pretty much any fruit and vegetable we want from the supermarket, at any time of year. But gardening enables us to eat seasonally, which has important benefits for our bodies. For example, asparagus and apricots grow in spring and summer, while Brussels grouts get going in winter. Eating seasonally can keep healthy eating exciting by encouraging you to try new recipes using in-season pro