D细节理解题。根据第一段中的最后两句For hundreds of years, China kept the secret of silk to itself as one for the most closely protected secrets in history. Anyone revealing the secret of silkworms or trying to take silkworm eggs out of ancient China was punished by death.可以得出答案。故D正确。

　　DD选项与文章的事实不符合。故D正确。

　　B细节理解题。根据文章第三、四段可以知道丝绸产品传遍全世界各国的顺序。 故B正确。

　　考点：考查说明文阅读

　　第二节 阅读填空 (共5小题；每小题2分，满分10分)

　　【2015·东北三校第一次联考】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　Do you struggle with business writing? Are teams and individuals asking for help with their business writing skills?

　　41

　　Since 1990,we have been helping employees and managers write better.

　　Everything written in business reflects the image of the company and the writer.

　　42

　　This means organizing ideas well, checking that the language is accurate and that the presentation is professional. Writing successfully is always the result of careful planning.

　　Before you start writing, you need to decide why you are writing and what you hope to achieve. This will help you decide what to include in your writing and whether to write an e-mail, a letter or perhaps a report.

【2017届高考英语一轮复习单元检测练：必修1 Unit2《English around the world》（解析版）】相关文章：

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习书面表达专题训练：训练2 书信、邮件＋写人类记叙文（含解析）

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M9《Unit 1 Other countries, other cultures》

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修4 Unit 3 A taste of English humour

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：考纲解读（含解析）

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M3《Unit 3　Back to the past》Word版含解析

★ 【浙江专用】2014届高考英语一轮复习课时作业(八)必修2Unit 3《Computers》

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第3组（含解析）

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M5《Unit 3　Science and nature》

★ 2017届高考英语二轮复习课时训练：13（含解析）

★ 【三维设计】2017届高考英语（江苏专用）二轮复习课件：必修4 Unit 3《Tomorrow’s world》