首页
登录
职称英语
Threats from nomadic people in the north were 【C1】______ throughout Chines
Threats from nomadic people in the north were 【C1】______ throughout Chines
游客
2023-11-18
57
管理
问题
Threats from nomadic people in the north were 【C1】______ throughout Chinese history. They were continually attacking the Chinese northern 【C2】______ . With each new emperor, came endless debate about how to 【C3】______ the barbarians. There were four options: 【C4】______ offensive campaigns to drive them away or to destroy them; create defensive garrisons; develop diplomatic and 【C5】______ ties with them, or build a wall to keep them out.
All the options were 【C6】______ at various times. Experience showed that 【C7】______ campaigns were too costly and very risky, 【C8】______ defensive garrisons could not respond quickly enough 【C9】______ lightning attacks along a long border. The third option would seem to be a very 【C10】______ one and it was in fact tried successfully 【C11】______ a couple of occasions. Wall building became the most favored option in many dynasties. The three dynasties which 【C12】______ the most walls were the Qin, the Han and the Ming.
The effectiveness of the Great Wall in history is still a controversial 【C13】______ Historical records show that the wall 【C14】______ at many times 【C15】______ repel invaders. Only on two occasions when a dynasty weakened from 【C16】______ were invaders from the north 【C17】______ advance and conquer. 【C18】______ , scholars think the Chinese wall builders were themselves responsible for the unrest on the border. The nomads were people who did not farm, so they 【C19】______ trade with China for many essentials. When the Chinese refused to trade with them, they had no option 【C20】______ raid border towns. [br] 【C14】
选项
A、had
B、does
C、did
D、has
答案
C
解析
动词时态题。此句的谓语动词repel是动词原形,此处显然不能填has或had,应为表示强调的助动词do。因为是历史上已发生的事,所以选用其过去时did, 除does。
转载请注明原文地址:https://tihaiku.com/zcyy/3197821.html
相关试题推荐
Computerpeopletalkalotabouttheneedforotherpeopletobecome"compu
Computerpeopletalkalotabouttheneedforotherpeopletobecome"compu
Computerpeopletalkalotabouttheneedforotherpeopletobecome"compu
Computerpeopletalkalotabouttheneedforotherpeopletobecome"compu
Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbus
Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbus
Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbus
Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbus
Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbus
Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbus
随机试题
Usingdigitalenhancementsofskullfragmentsfromfiveprehistorichominidsdat
Forgetthewidelyunlovedredesign.Facebookhascommittedagreateroffense
Telecommuting—substitutingthecomputerforthetriptothejob—hasbeen
Costly—sometimesabusive—creditcardsarebleedingmillionsofborrowerswho
局域网中某主机的IP地址为202.116.1.12/21,该局域网的子网掩
检查大量腹水患者的肝脏时,应用的触诊方法是()A.浅部触诊法 B.冲击触
患儿,5岁。近2天来腹痛绵绵,时作时止,痛时喜按,面白少华,神疲乏力,手足不温:
除规范另有规定外,疏散用的应急照明,其地面最低照度不应低于()lx。A.0.3
(2019年真题)根据合伙企业法律制度的规定,合伙企业清算时,企业财产在支付清算
平原地区建水闸,其基坑降排水的目的主要有()。A.增加边坡的稳定性 B.
最新回复
(
0
)