在英语语法中，同位语从句是一种重要的句式结构，它通常用来补充说明名词的具体内容或解释其含义。这类从句通常由that引导，并且紧跟在被解释的名词之后。为了帮助大家更好地理解和掌握这一知识点，以下是一些精选的同位语从句练习题，供学习者参考。

练习题

1. The news _______ the war had ended brought great joy to everyone.

A. whichB. that C. whatD. who

2. She made a promise _______ she would never be late again.

A. thatB. whichC. when D. where

3. His suggestion _______ we should hold a meeting tomorrow is very important.

A. whichB. that C. whetherD. if

4. The fact _______ he has failed twice doesn’t discourage him.

A. whichB. that C. becauseD. why

5. The order _______ all soldiers should return to base was given by the general.

A. whichB. that C. whoD. whose

6. The belief _______ hard work leads to success is widely accepted.

A. whichB. that C. as D. for

7. There is no doubt _______ he will come back soon.

A. thatB. whichC. if D. whether

8. The idea _______ we can finish the project in one week is unrealistic.

A. thatB. whichC. whileD. since

9. It’s a fact _______ water boils at 100 degrees Celsius.

A. thatB. whichC. whenD. where

10. The problem _______ they couldn’t agree on was how to divide the profits.

A. thatB. whichC. whyD. what

答案解析

1. B. that

“The news that the war had ended”表示“关于战争结束的消息”，that引导的是同位语从句，对“news”的具体内容进行解释。

2. A. that

“She made a promise that she would never be late again”表示“她承诺不再迟到”，that引导的是同位语从句，对“promise”的具体内容进行补充说明。

3. B. that

“His suggestion that we should hold a meeting tomorrow”表示“他建议我们明天开会”，that引导的是同位语从句，对“suggestion”的具体内容进行补充说明。

4. B. that

“The fact that he has failed twice doesn’t discourage him”表示“他失败了两次的事实并没有让他气馁”，that引导的是同位语从句，对“fact”的具体内容进行补充说明。

5. B. that

“The order that all soldiers should return to base”表示“所有士兵都应回到基地的命令”，that引导的是同位语从句，对“order”的具体内容进行补充说明。

6. B. that

“The belief that hard work leads to success”表示“努力工作导致成功的信念”，that引导的是同位语从句，对“belief”的具体内容进行补充说明。

7. A. that

“There is no doubt that he will come back soon”表示“毫无疑问他会很快回来”，that引导的是同位语从句，对“doubt”的具体内容进行补充说明。

8. A. that

“The idea that we can finish the project in one week”表示“我们可以在一周内完成项目的主意”，that引导的是同位语从句，对“idea”的具体内容进行补充说明。

9. A. that

“It’s a fact that water boils at 100 degrees Celsius”表示“水在100摄氏度沸腾是一个事实”，that引导的是同位语从句，对“fact”的具体内容进行补充说明。

10. A. that

“The problem that they couldn’t agree on”表示“他们无法达成一致的问题”，that引导的是同位语从句，对“problem”的具体内容进行补充说明。

通过以上练习题，希望大家能够更加熟练地掌握同位语从句的用法。在实际应用中，注意观察that引导的从句是否对前面的名词起到补充说明的作用，这样才能准确判断并正确使用同位语从句。