Scientists have long debated exactly where the Earth's water comes from. One theory suggests that it might have been captured from the asteroids and comets that collided with it. Another argues that water was always present in the rocks of the Earth's mantle and was gradually released to the...
专辑: 水WATER 歌手:GINGSound Blanc 白 纯音乐,请欣赏 GING、Sound Blanc 白 - 宇化生水 How Did Earth Get its Water / 已添加到播放列表 1 播放队列/1 1 宇化生水 How Did Earth Get its Water GING、Sound Blanc 白 04:35Mac版酷狗音乐已更新 就是歌多 ...
根据课文内容可知,水是有用的(形容词useful),我们用水(不可数名词water)来喝(动词原形drink)和(并列连词and)清洁(动词原形clean)东西.很多地方没有许多(不定代词much)水.我们不应该浪费(动词原形waste)水.我们应该再利用(动词原形reuse)水和节约(动词原形save)用水.我们的大部分能源来自(三人称单数comesfrom)煤炭...
About 70 percent of our planet’s surface is covered with water, and it plays an important role in our daily lives. But how did water get on Earth in the first place?
相关知识点: 试题来源: 解析 to protect 该句子需要一个词来连接“reuse water”和“the Earth”,表示重复使用水的目的是为了保护地球。 由于题目中给出的词是“protect”,所以应该使用不定式形式“to protect”,表示目的。 因此,答案为 to protect。反馈 收藏 ...
How to protect the Earth?Water is ___. We use ___ to ___ things. There's not ___ water in many places. We shouldn't ___ water. We should ___ and ___ it.Some of our energy ___ coal and ___. We use ___ to ___ cars. There's ___ energy. We should not ___ ...
1. Do you know how to protect the Earth? Don't waste water, please. (使用不定式表示目的,使用否定形式表示命令) 2. Tim starts drawing in the park. (使用现在分词表示正在进行的动作) 3. There are three plastic bottles on the table. (使用复数形式表示多个) 4. The books are useful. They ...
How to protect the Earth? Water is useful_. We use water to clean_ things. There's not _much water in many places. We shouldn't waste water.We should reuse and save it. Most of our energy comes from coal and oil . We use energy to drive cars. There's not too much_ energy. ...
How much of Earth is land? How deep is the Ogallala Aquifer? How much of the earth's surface is sedimentary rock? How big is the Great Artesian Basin? How much groundwater does Australia use on annual basis? What is the average temperature of groundwater?
Naturally, where the elevation of the earth is higher, so to will the water table be.地面海拔越高的地方，地下水位也自然越高。So if you have areas of high elevation like towering sand dunes or hills, directly next to areas of low elevation like a depression, you can get spots like this ...