The millions of circulations involved, _____ by hand, would have lost all practical value by the time they were finished.

【单选题】【消耗次数：1】

① had they been done

② they had been done

③ having been done

④ they were done

参考答案：

复制

纠错

➡️如需代学继续教育，请点击这里

相关题目

【单选题】 The millions of circulations involved, _____ by hand, would have lost all practical value by the time they were finished.

① had they been done

② they had been done

③ having been done

④ they were done

查看完整题目与答案

【单选题】 The millions of calculations involved, ____ by hand, would have lost all practical value by the time they were finished.

① had they been done

② they had been done

③ having been done

④ they were done

查看完整题目与答案

【单选题】 24.In those days all the work had to be done ___hand.

① with

② in

③ by

④ on

查看完整题目与答案

【单选题】 They have done things they ought_____.

① not to do

② not to be done

③ not to have done

④ not having done

查看完整题目与答案

【单选题】 If the whole program __________ beforehand, a great deal of time and money would have been lost.

① was not planned

② were not planned

③ would not be planned

④ had not been planned

查看完整题目与答案

【单选题】 A: Could you put the books on bookshelves, please? B: Of course. [填空] A: Thats all. Everything else has been done.

① Its a pleasure to help.

② Is that all?

③ Im free now.

④ How should I do it?

查看完整题目与答案

【单选题】 The residents, _____had been damaged by the fire, were given help by the Red Cross.

① all of their homes

② all their homes

③ whose all homes

④ all of whose homes

查看完整题目与答案

【单选题】 The residents, _____had been damaged by the fire, were given help by the Red Cross.

① all of their homes

② all their homes

③ whose all homes

④ all of whose homes

查看完整题目与答案

【单选题】 After the student was praised for what he had done, he said:“ I______ even better under harder conditions. ”

① had done

② did

③ would have done

④ would do

查看完整题目与答案

【判断题】 John has never acted as he should have done. 此句中的“done”替代了“has”.

① 正确

② 错误

查看完整题目与答案

随机题目

【多选题】在下面关于面向对象数据库的叙述中,正确的就是( )

① 每个对象在系统中都有唯一的对象标识

② 事件作用于对象,对象识别事件并作出相应反应

③ 一个子类能够继承其所有父类的属性与方法

④ 一个父类包括其所有子类的属性与方法

查看完整题目与答案

【多选题】在学生数据表文件中有“姓名”字段, 要显示所有姓李的学生记录,使用命令( )。

① LIST FOR SUBSTR( 姓名,1,2)= “李”

② LIST FOR 姓名=“李** ”

③ LIST FOR STR( 姓名 , 1,2)= “李”

④ LIST FOR 姓名=“

查看完整题目与答案

【单选题】使用 SQL语句增加字段的有效性规则 , 就是为了能保证数据的

① 实体完整性

② 表完整性

③ 参照完整性

④ 域完整性

查看完整题目与答案

【单选题】表达式LEN(SPACE(0))的运算结果就是

① NULL

② 1

③ 0

查看完整题目与答案

【单选题】 AT(XY,AXYBXYC)的值为

① 0

② 2

③ 5

④ 7

查看完整题目与答案

【单选题】如果文本框的 InputMask 属性值就是 #99999, 允许在文本框中输入的就是

① +12345

② abc123

③ $12345

④ abcdef

查看完整题目与答案

【单选题】在 Visual FoxPro 中，逻辑删除表中性别为“女”的命令是

① DELETE FOR 性别=女

② DELETE 性别=女

③ PACK 性别=女

④ ZAP 性别=女

查看完整题目与答案

【单选题】在Visual FoxPro中，要浏览表记录，首先用哪个命令打开要操作的表？

① USE

② OPEN STRUCTURE

③ MODIFY STRUCTURE

④ MODIFY

查看完整题目与答案

【单选题】表文件的默认文件扩展名是

① .dbf

② .fpt

③ .prg

④ .dbc

查看完整题目与答案

【单选题】 Visual FoxPro中逻辑删除是指

① 真正从磁盘上删除表及记录

② 在记录旁作删除标志，不可以恢复记录

③ 真正从表中删除记录

④ 只是在记录旁作删除标志，必要时可以恢复记录

查看完整题目与答案