内容正文:
Unit 2
(一)
A.Holes B.at first C.kinds D.keeps E. salty F.at night
Where do animals sleep?
A habitat is the place where animals live, eat, and sleep.
There are many ____1____ of habitats on Earth.
A forest is a habitat. A forest has many trees and plants. Many animals live in a forest. Some live in nests. Some live in ____2____.
A desert is a habitat. Deserts are very dry. They are hot in the day and cold ___3___. Many animals live inside rocks or under the ground. It ____4___ them warm at night and cool during the day.
An ocean is a habitat. An ocean is a big body of ___5___ water.Many ocean animals live near plants or rocks under the water. Some animals live near the top of the water.
(二)
A.away B.Others C.dangerous D.also E. too
Many of us think that all wild(野生的) animals are _____6_____. In fact, very few of them will eat a man if he leaves them alone. If you meet a tiger, I’m sure you will run _____7_____, but even a tiger doesn’t like meeting a man if it isn’t hungry. Tigers only kill and eat man when they are _____8_____old to catch their food, such as sheep and other small animals.Some animals get frightened(害怕的) when they only smell a man. Some of them stand and look at a man for short time before they run away. _____9_____ don’t look at all but walk away. Wild animals only eat a man when they are afraid that he will try to kill their young ones, or when people try to kill them.
(三)
A.after B.broke C.life D.dream E.hospital F.seemed
Sam dreamed of having a dog as his friend, but Mum didn’t let him keep one because there wasn’t room for it at home. His ___10___came true when a new neighbor Mr. Brown moved in with a lovely dog named Bailey. Sam was very happy. After school he played with Bailey and trained (训练) her. Sometimes Bailey looked at Sam with her bright eyes that ___11___ to say we are best friends. One day Sam came home ___12___ school. He sa