Some students think a difficult exam just like a challenge and the more difficult it is, the more better it will be. They say a difficult exam can helps students to find out where they are weak in their studies and improve their learning methods.Others, however, are against a difficult exam, in their opinion, if it is very difficult, they may become discourage and feel terribly about their studies.I prefer an exam neither too difficult nor too easy, a
Some students think a difficult exam just like a challenge and the more difficult it is, the more better it will be. They say a difficult exam can helps students to find out where they are weak in their studies and improve their learning methods.
Others, however, are against a difficult exam, in their opinion, if it is very difficult, they may become discourage and feel terribly about their studies.
I prefer an exam neither too difficult nor too easy, a very easy exam in not good for teachers to learn how we are getting with our studies, but too difficult exam will make us lose our heart.
短文改错,谢谢
Some students consider that a difficult exam just like a challenge， and the more difficult they are the better they will be. They said that a difficult exam can help students to find out failing which in their studying and improve their learning skill.
On the other hands, in their opinion, if the exam is very difficult, students may discouraged and feel terrible about their studies.
I prefer an exam neither too difficult nor too easy, a very easy exam go against for teachers to learn how we are getting with our studies, conversely too difficult exam will make us lose our confidence.
只能这样简单的修改，因为不知道网友原文的要求的意思，只能按照你字面上打出来的意思进行修改，意思不变，只是部分词汇和句式进行了修改。
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Some students think a difficult exam just like a challenge and the more difficult it is,the more (把more拿掉）better it will be.They say a difficult exam can helps（把helps改成help) students to(删掉to) find out where they are weak in their studies and improve their learning methods.
Others,however,are against a difficult exam,in their opinion,if it is very difficult,they may become discourage（加d)and feel terribly （改成terrible)about their studies.
I prefer an exam neither too difficult nor too easy,a very easy exam in（改成is) not good for teachers to learn how we are getting with our studies,but too difficult exam will make us lose our heart.
Some students think of a difficult exam as a challenge and the more difficult it is, the better it will be. They say a difficult exam can help students find out where they are weak in their studies and improve their learning methods.
Others, however, are against difficult exams, in their opinion, if they are very difficult, they may become discourage and feel terrible about their studies.
I prefer an exam neither too difficult nor too easy, a very easy exam is not good for the teacher to learn how we are getting with our studies, but an exam too difficult will make us lose our heart.