New Words：

inform [ɪnˈfɔːrm] v.通知；通告；知会
inform sb of/about sth

Sample Sentences：

I informed his wife of his safe arrival.
Please inform me by letter of your plans.
Please inform us of any changes of address.
If you saw the accident,please inform the police.

New Words：

provide [prəˈvaɪd] v.提供；供应；给予
provide sb with sth
provide sth for sb

Sample Sentences：

Please answer questions in the space provided.
The river provides us with all the water that we need.
These books will provide us with all the information we need.
The company will provide the sports outfits for all the players.

information [ˌɪnfərˈmeɪʃn] n.信息；消息；资料；情报；资讯

New Words：

nature [ˈneɪtʃər] n.自然；本质；大自然；本性；自然界

Sample Sentences：

We enjoyed the beauty of nature.
In nature, all animals are wild and free.
Nature does not provide everything we want.
You need to see the good side of human nature.

provide [prəˈvaɪd] v.提供；供应；给予

New Words：

natural [ˈnætʃrəl] adj.自然的；天然的；天生的；本能的

Sample Sentences：

It's natural to worry about your children.
My hair soon grew back to its natural colour.
It's difficult to look natural when you're feeling nervous.
His natural mother was unable to care for him so he was raised by an aunt.

nature [ˈneɪtʃər] n.自然；本质；大自然；本性；自然界

New Words：

poisonous [ˈpɔɪzənəs] adj.引起中毒的；有毒的；分泌毒素的；能毒伤人的
insect [ˈɪnsekt] n. 昆虫；虫子

Sample Sentences：

This gas is highly poisonous.
A lot of poisonous waste water comes from that chemical factory.

Birds and insects are natural enemies.
There is an insect crawling up your back.

natural [ˈnætʃrəl] adj.自然的；天然的；天生的；本能的