Question

初三英语选择（答案已给出，只求详细解答）

1、About __B__ of the workers in that factory are young people
A third-fifths B three-fifths C three-fives D three-fifth
2、At the foot of the hill you could hear nothing but the __D__ of the running water
A shout B noise C voice D sound
3、It's said that students who have breakfast are healthier than __B__ who don't have breakfast
A 不填 B those C that D these
4、---- __A__ does this book belong to ?
---- It must belong to Lucy
A Who B Which C Whose D What
5、----- Listen ! Is that Kate playing the piano in the room?
----- No , It __D__ be Kate . She has gone to London
A may not B needn't C mustn't D can't

Answer 1

1. 表示分数的时候，是 分子（基数词）-分母（序数词+s）
2. 显然AC只有人才能发出，而noise的话逻辑不通。
3. 我们需要一个东西在这里指代学生。因为 students 复数，所以使用 those。（单数用 that ）
4. 想想：This book belongs to me 这是我的书。显然提问 me 用的是 who。同理这个句子也是提问人的。
5. may not 无理由的纯粹表示可能的猜测。needn't 不知所云。mustn't 有理由的猜测（通常是自己的一套理论。can't 我有事实或者其他坚定地理由肯定。显然去了伦敦是现实。