1.It sounds redlly exciting.(改感叹)
How exicting it sounds!
2.This is the Venus flytrap.; It has two special leaves.(合并)
This is the Venus flytrap, which has two special leaves.
3.The plant can move more quickly than the insect can.(改同义)
The insect can move less quickly than the plant can.
4.If we don;t protect trees,they will all be cut down.(改同义)
Unless we protect trees,they will all be cut down.
5.It can take [a hundred years] to grow a few entimetres.(“[]”部分提问)
How long can it take to grow a few centimetres?
6.One tree in California is 84 metres high!(改同义)
One tree in California is 84 metres in height.
7.Trees live the longest of all things on Earth.(同义)
Trees live longer than all the other things on Earth.
8.Plants can be as small as one cell.(反意疑问)
Plants can be as small as one cell,can't they?
9.Did Debbie speak more accurately than Mary?（选择疑问）
Who speaks more accurately,Debbie or Mary?
10.He spoke so loudly that he could be heard.(改同义)
He spoke loudly enough to be heard.