请问几道语法题~

greenyeah

1、Pythons differ than most other snakes by having two well-developed lungs rather than a much smaller left lung or no left lung at all.

答案是differ than

2、For each enzyme reaction there is an optimum temperature which maximun efficiency is achieved.

答案是effciency

3、The orbit of a celestial body is usually in the shape of ellipse.

答案是ellipse

4、At first the poems of E.E.Cummings gained notoriety to their idiosyncratic punctuation and typography, but they have gradually been recognized for their lyric power as well.

答案是to

以上4道题目要怎样改呢？各位大虾帮帮忙吧~

gre3333

1. differ than --> differ from

2. temperature which --> temperature in which

3. ellipse --> an ellipse

4. to --> for

consonant

楼上mm辛苦

greenyeah

哦~谢谢咯~