中考英语语法完型填空试题及答案(三种可抑制新型冠状病毒的药物)
Chinesere searchers have fo...
导读:词汇是构成语言最基本的材料,扩大词汇量是提高学生听、说、读,写能力的前提,因此,词汇教学是中学英语教学的重点。那么,在教学过程中,怎样才能有效地扩大学生的词汇量呢?唯一的途径就是运用科学的教学方法。每种语言都有其自身的构词规律,掌握这些规律,就便于记忆。英语单词是由词素(词根,词缀)构成的,词义是由词素构成的。
worth,worthy,worth-while都为adj. 意为"值得"。
1. worth: be worth + n. 当名词为金钱时,表示"…… 值得……"
be worth doing sth. "……某事值得被做"
The question is not worth discussing again and again.
2. worthy:be worthy of +n. 当名词为抽象名词时表示"……值得……"
be worthy to be done "某事值得被做"
The question is not worthy to be discussed againand again.
3. worth-while: be worth-while to do sth "值得做某事"
worth while: It is worth while doing sth
It is worth while sb to do sth.
典型例题
It is not ____ to discuss the question again and again.
A.worth B.worthy C.worth-while D.worth while
答案C. 由worth的用法可知,此句只适合词组be worth-while to do sth.。因此选C。