Do you know how much of the earth is covered by water? All life on the planet needs water. But some water on our planet is not clean. In order to keep water clean, we mustn't throw rubbish into the seas, rivers, or lakes. We can also use special machines to clean water. Then ...
六、 完形填空How much of the Earth is covered with water?About 75% of the Earth's surface is covered with water. 97% of the water 1 Earth is salt water. It is made up of salt water 2 other minerals(矿物质). Humans cannot 3 this water. Less than 1% of all the water on Earth ...
eg: Which is bigger,the earth or the moon?哪一个大,地球还是月球? 3. “比较级+and+比较级”表示“越来越……”。 eg.The flowers are more and more beautiful.花儿越来越漂亮。 加more构成比较级的形容词则用more and...
The atmosphere is as much a part of the earth as ___ its soils and the water of its lakes, rivers and oceans. A.doB.hasC.isD.are 相关知识点: 试题来源: 解析 D as much…as是词组“和……一样”,第二个as引导的是比较状语从句,主句中用is,从句也应该用be才能使句子平行,因为从句中...
句中as much.as的意思是“和一样、正如”。后一个 as引出的是一个主谓语倒装的比较从句。根据主句的结构,比较从句中的谓语应为联系动词be。从句中的主语是soils and the water,谓语要用复数形式 are。又如: Small as it is,the ant is as much as an all other animals on the earth.不管怎么小,蚂蚁...
How much water is there on the moon? This is a question scientists have tried to answer for years. Scientists from China and the UK have now discovered that the moon may have plenty of water, according to a recent paper.Over billions of years, space rocks have hit the surface of the ...
,与“of” 搭配时 “be free of” 也表示 “免于;没有”,代入句子 “地球没有水” 不符合实际情况,所以该选项错误。B. useful 意为 “有用的”,常见搭配是 “be useful for/to”(对…… 有用),不能与 “of” 搭配,且 “地球对水有用” 不符合语境,所以该选项错误。C. full 意为 “满的...
Oh, What a mess! The flowers and grass have gone! The water is so dirty. It smells terrible. What has happened here? 噢,多么脏乱啊!花和草都没了,水太脏了,难闻极了。这儿发生了什么事? What a shame! Look, there a...
If they look like this, you need to use less water. 如果他们看起来是这样的,你需要少浇水. How else can we help the earth? We can plant more trees, too! 我们还可以怎样帮助地球呢?我们还可以种更多树! You should st...
T: Let’s protect our earth. To protect the earth, what should we do? 【设计意图:通过日常对话,引入对Story time的复习。】 Step 2Grammar time 1. Let’s talk T: Why should we save water? S: Water is useful./We use too much water./… ...