首页
登录
职称英语
A rapid means of long-distance transportation became a necessity for the Un
A rapid means of long-distance transportation became a necessity for the Un
游客
2023-12-02
9
管理
问题
A rapid means of long-distance transportation became a necessity for
the United States as settlement spread farther westward. For a long time
the railroad companies met with troubled mechanical problems. The most 【S1】______
serious were the construction of rails able to bear the load, and the
development of the safe, effective stopping system. Once these were solved, 【S2】______
and the railroad was established as the best means of land transportation. 【S3】______
By 1860 they had built thousands of miles of railroads crossing the eastern
mountain ranges and reaching westward in the Mississippi.
The high point in railroad building came by the construction of the 【S4】______
first transcontinental railroad. In 1862 Congress had authorized two 【S5】______
railroad companies to build lines from Nebraska westward and from
California eastward to a meeting point so as to complete a transcontinental
system. The Central Pacific Company, starting from California, used
Chinese labor, the Union Pacific employed crews of Irish laborers. 【S6】______
The two groups worked at remarkable speed, each tried to cover a 【S7】______
greater distance than the other. In 1869, they met at a place called
Promontory. Many visitors came there for the great occasion. There
were joyous celebrations all over the country, with parades and the
ringing of church bells honor the great achievement. 【S8】______
The railroad was very important in discouraging westward movement. 【S9】______
It also helped build up industry and farming by moving raw materials
and by distributing products rapid to distant markets. 【S10】______ [br] 【S5】
选项
答案
去掉had
解析
语法错误。此句句首有表示过去的时间状语In 1862,因此这里只能用一般过去时。
转载请注明原文地址:https://tihaiku.com/zcyy/3239305.html
相关试题推荐
(1)InayearwhenAlGorewontheNobelPeacePrizeandgreenbecamethenew
(1)InayearwhenAlGorewontheNobelPeacePrizeandgreenbecamethenew
(1)InayearwhenAlGorewontheNobelPeacePrizeandgreenbecamethenew
Arapidmeansoflong-distancetransportationbecameanecessityfortheUn
Arapidmeansoflong-distancetransportationbecameanecessityfortheUn
Arapidmeansoflong-distancetransportationbecameanecessityfortheUn
Arapidmeansoflong-distancetransportationbecameanecessityfortheUn
Arapidmeansoflong-distancetransportationbecameanecessityfortheUn
PassageThree[br]Whydidn’trailroadsbecomethechiefmeansoftransportation
Afterthehorrorbecamepublicinhishometown,Sylacauga,Alabama,cityco
随机试题
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
好的倾听技巧应当是( )。A.对敏感问题善于听出话外音 B.尽可能多听、多留
患者,男,50岁。反复浮肿,尿血3年。症见:面色无华,少气乏力,易感冒,午后低热
根据题目要求完成下列任务。用中文作答。 下面是某教师在阅读课教案中设计的教学目
水泥混凝土路面填缝时应使用背衬垫条控制填缝形状系数。背衬垫条应具有()等性能。
炮制蟾酥所用的辅料为A.油 B.酒 C.姜汁 D.醋 E.水
梦的特点包括()。 (A)不连续性(B)不协调性 (C)概括性(D)认
未上衣领的棉质机织女衬衫
根据公司法律制度的规定,下列关于股份转让限制的说法中正确的是()。A.甲系
下列治疗再生障碍性贫血的药物中,属于免疫抑制的药物是( )。A.司坦唑醇 B
最新回复
(
0
)