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
53
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
TheAmericanideaofrespectinghumanrightscamefromseveralsources.Fir
ThethreegreatGermanictribes:theAnglos,the______andtheJuteswhoinvade
Evenwhentextbooksare______throughaschoolsystem,methodsofteachingmay
错的早期预防包括A.孕期母亲保健 B.正确喂养方法 C.注意儿童的心理维护
36岁女性患者,引产1周后发热伴腹痛2天。体查:全腹软,少量阴道血性分泌物,宫颈
下列哪项不是类风湿性关节炎的症状特点A.关节肿痛 B.对称性多关节炎 C.游
性格的个别差异主要表现在_______和_______两个方面。
A.黄酮B.黄酮醇C.查尔酮D.二氢黄酮E.香豆素在碱液中能很快产生红或紫红色者
某工程划分为3个施工过程、4个施工段组织固定节拍流水施工,流水节拍为5天,累计间
下面关于燃气管道强度试验的叙述中正确的包括()。A、除聚乙烯管外试验压力为设计
最新回复
(
0
)