中考易混淆词汇辨析（十五）

9. find out, invent 与discover 的辨析：

(1) find out指经过调查、询问得知；

(2) invent发明以前没有的东西；

(3) discover发现事实上存在，但不被人们所知的事物。

10.however与but的区别：

(1)however副词，“不过，然而”,可用于句首、句中或句末。表示转折时，与后面的句子用逗号隔开;

(2)but连词，“但是”，表示转折时，与后面的内容相连，不用逗号隔开。

e.g. My room is small, however, it's comfortable.

        However, they didn't seem to have much effect.

      It's not very difficult, but very easy.

11. need的用法辨析：

(1)need可作行为动词，意为“需要”。作行为动词时，need有人称和数的变化，后面可接名词、代词、动名词及带to的动词不定式，可用于肯定句、疑问句或否定句中；

  (2)need还可做情态动词，这时无人称和数的变化，后接动词原形，多用于否定句或疑问句中。

e.g. I don't need to see the doctor.

      She needs help.

      You needn't worry.

      Tom need go to the hospital.

12. beside, besides, except 和apart from的辨析：

(1)besides除此之外还有；表示前后状况一样；

(2)except除此之外没有；表示前后状况不一样；

(3) apart from既可以和besides互换，也可以和except互换；

(4) beside为方位介词，意为“在……旁边”；相当于next to或是near。

e.g. I also read that book besides this book.

        All students went camping except Tom.

        There is a library beside the dining hall.

        Apart from the thing, we have other things to do.