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
21
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
Scientistshavecomeupwithatheoryforwhytimeflieswhenyouarehavin
AreTeenagersReallyCarelessAboutOnlinePrivacy?[A]Theyshare
Aprojectlikelytoevolveinthenearorintermediatefutureisspacetouri
如果其他的实验条件都相同,那么应优先选用的固液分离方法是( )。A.超滤 B
专设引下线()根,并应沿建筑物四周和内庭院四周均匀对称布置,其间距沿周长计算(
A.叶酸 B.泼尼松 C.白消安 D.司坦唑醇 E.硫酸亚铁治疗慢性粒细
处方中写“赤白芍20g”应调配A:赤芍20g,白芍20gB:白芍20gC:赤
在通胀问题尚未完全解决的情况下,面对发达国家的主权债务危机,新兴经济体又不得不再
A.丙磺舒 B.克拉维酸 C.甲氧苄啶 D.氨曲南 E.亚叶酸钙与青霉素
投资项目决策分析与评价的基本要求包括贯彻落实科学发展观、资料数据准确可靠和()
最新回复
(
0
)