问3道 语法

sindy_kingUID: 2116300

1.
Physical fitness activities can lead to an alarming variety of injuries if participants push

themselves (greatly) hard.

2.
Although all sedimentary rocks contain iron, but (the deposits) that are richest in iron

consist predominantly of minerals such as iron oxides, carbonates, silicates and sulfides.


3.
Although complete paralysis is rare (with) neuritis, some degree of muscle weakness   

common.

with改成 in是吗?    主句的谓语为什么可以省略?

多谢各位了! 祝1T顺利:)

poraporaUID: 2156020

3. with -> in

sindy_kingUID: 2116300

终于有人理了~~~

可是1、 2分别错在哪里呢？ 3的谓语又为什么能省呢？

sicafishUID: 2165046

2. although but不能并存阿

poraporaUID: 2156020

3. 后面应该加 ...is common 吧。。
我不懂文法术语....

不过Although complete paralysis is rare in neuritis, ....
相当于 the sea is blue in color

sindy_kingUID: 2116300

although but不能并存阿


唔，对哦……