a third C. the third D. a thirds 相关知识点: 试题来源: 解析 B 关键词(句):be covered by:被覆盖翻译:在19世纪50年代,在美国大约三分之一被森林覆盖。根据句意,考查英语分数的用法,分子要用基数词,分母要用序数词,几分之一,分子可以用one 或不定冠词a来表达,由于分子是单数,分母的序数词要用单数...
In the 1850s, the average life expectancy(期望) in the US at birth was only 40 years old. Now, the averageAmerican can expect to live until at least 78. Recent medical research has promised us to extend human lifefurther. But, what are the effects of this new medicine and what consequ...
百度试题 结果1 题目In the 1850s, about of the land was covered by forest in the USA. third B. the third C. one third D. the thirds 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目 (B)16. In the 1850s, about of the land was covered by forest in the US A. A. third B. a third C. the third D. a thirds 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
In the 1850s,about the third wes covered by forest in the USA.问题补充:匿名 2013-05-23 12:21:38 在19世纪50年代,第三的韦斯在美国被森林覆盖。 匿名 2013-05-23 12:23:18 在1850s、饮水和环境卫生方案涵盖有关第三的森林在美国。 匿名 2013-05-23 12:24:58 在19世纪50年代,关于...
求翻译:In the 1850s,about the third was covered by forest in the USA.是什么意思?待解决 悬赏分:1 - 离问题结束还有 In the 1850s,about the third was covered by forest in the USA.问题补充:匿名 2013-05-23 12:21:38 在19世纪50年代,大约第三个被森林所覆盖,在美国。 匿名 2013-05-23...
根据上文“In the 1880s, gold was discovered in Alaska, the USA.”可知“许多人来到这个地区希望发财。”故选C。【2】句意:在夏季的几个月里,日用品可以用船运到这些城镇。truck卡车;boat船;air空气,by air:用飞机,乘坐飞机;railway铁路。根据下文“but in the winter the rivers and the ocean frozen ...
()1.People have steam trains in the USA.in the 1830B.in the 1830s'C.in1830'sD.in the 1830s( ) 1.People have steam trains in the US_. A. in the 1830 B. in the 1830 s' C. in 1830's D. in the 1830 s 答案 1.D优质解答相关...
(1)推理判断题。根据第一段In the 1770s,an English doctor called Edward Jenner gave his gardener's son cowpox(牛痘)and then deliberately infected him with smallpox (天花) to test his assumption that people who were frequently exposed to cowpox,a si
百度试题 结果1 题目(establish) in the 1780s, this uni versity is now one the oldest one in the US.相关知识点: 试题来源: 解析 Established 反馈 收藏