阅读下面语篇，从各小题所给的A、B、C三个选项中，选出最佳选项。

My name is Daniel. I live in Tennessee. When I was 7, I found some plastic（塑料的）bottles on a riverbank. I felt worried because I knew plastic bottles and other rubbish could be （1） to animals in rivers. Now I’m 13, and I work to keep rubbish out of rivers.

The Tennessee River is （2） polluted with plastics and other rubbish. And I want to do something to help stop more （3） . I do some （4） cleanups with others. We go along the riverbanks. Sometimes we go to places that we can only reach by boat. We often find plenty of （5） , such as broken toys and plastic bags.

Doing cleanups makes me really （6） . I know I’m making a difference and （7） lives—not just animal lives, but human lives as well, because it continues up the food chain（链条）.What happens to them happens to us.

Last year, I set up the Cleanup Kids with my friends to call on kids all around the world to （8） rubbish. People take pictures of the rubbish （9） send them to us, so we can know how many pieces they found. We will （10） our goal（目标）of 1,000,000 pieces at the end of this month.

We’re never too young to change the world. Kids are a small part of the population, but we are 100% of the future.

（1）

A．

good

B．

helpful

C．

harmful

（2）

A．

badly

B．

hardly

C．

carefully

（3）

A．

invention

B．

pollution

C．

attention

（4）

A．

sea

B．

lake

C．

river

（5）

A．

rubbish

B．

fruit

C．

fish

（6）

A．

nervous

B．

bored

C．

happy

（7）

A．

studying

B．

saving

C．

creating

（8）

A．

pick up

B．

look after

C．

throw away

（9）

A．

or

B．

and

C．

but

（10）

A．

find

B．

set

C．

hit