首页
登录
职称英语
Ensuring an adequate water supply have been a concern ever since people began to
Ensuring an adequate water supply have been a concern ever since people began to
游客
2023-11-30
11
管理
问题
Ensuring an adequate water supply have been a concern ever since people began to live in towns and cities.
选项
答案
have—has
解析
译文:自从人们开始居住在城镇和都市以来,保障足够的水供给一直是个引人关注的问题。
分析:考查主谓一致。主语为动名词短语时,谓语动词应为单数形式,have应改为has。
转载请注明原文地址:https://tihaiku.com/zcyy/3231202.html
相关试题推荐
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
Women-centeredHistoryInthepast,mostpeoplebelievedthatthecontributions
随机试题
[originaltext]Wearetalkingabouthurricanes,becausethatiswhatforecas
新中国成立七十多年来,我们党领导人民创造了世所罕见的经济快速发展奇迹和社会长期稳
衰减器按其功率衰减值是否可变可分为固定衰减器和可变衰减器。()
再生障碍危象病人红系造血停滞时,骨髓象中突出特点是A.巨大早幼粒细胞 B.巨大
以下关于久期的论述,正确的是( )。A.久期缺口的绝对值越大,银行利率风险越高
维生素D缺乏性佝偻病使用维生素D的同时应补充A.锌 B.镁 C.钙 D.铁
下列对框支承隐框玻璃幕墙的玻璃板块安装的说法,不符合规范要求的有()。 A
从所给的四个选项中,选择最合适一个填入问号处,使之呈现一定规律性: A.如上图
诱因
甲公司于2015年5月以每吨1000元的价格购买了乙水泥生产厂的一批水泥,合同约
最新回复
(
0
)