helpful造句如下：
1、Pupils benefit from the opportunity to reformulate their thinking in a helpful atmosphere.
学生们受益于在有利气氛中重新表达自己思想的机会。
2、We hope this leaflet has been helpful in answering your questions.
我们希望这个小册子对回答你的问题有所帮助。
3、The chapter acts as a helpful gloss on Pynchon's general method.
这一章有助于诠释平钦的一般方法。
4、Instead of being helpful, she had been a shade obstructive.
她没有帮忙，反倒起了点阻挠的作用。
5、Anaemia is commonly present in patients with both conditions, and is therefore not a helpful discriminant.
有这两种病症的病人都会发生贫血，因此这不能作为一个有用的辨别因素。
6、The layout is uncluttered and the illustrations are helpful.
版面整洁，插图也很起作用。
7、We find it very helpful to receive comments.
我们发现听听别人的评论大有裨益。
8、Dan was doing his utmost to be helpful.
丹正竭尽全力帮忙。
9、People are friendly and helpful
人们友好，乐于助人。
10、It is also helpful to reduce the veining defects using enhanced colloidal silica.
使用快干增强硅溶胶也有助于降低毛刺缺陷。