题目—I wonder ___ without water on the earth. —About a week. A. how long man can live B. how can man live C. how soon man can live D. how often can man love 相关知识点: 语法 句法 宾语从句 宾语从句的引导词 宾语从句的语序 试题来源: 解析 A ...
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...
六、完形填空How much of the Earth is covered withwater?About 75% of the Earth's surface is coveredwith water. 97% of the water 1 Earth is saltwater. It is made up of salt water 2 otherminerals(矿物质). Humans cannot 3 thiswater. Less than 1% of all the water on Earth isfresh ...
About 75%of the Earth's surface is covered withwater.97%of the water 1 Earth is salt water.It ismade up of salt water2 other minerals(矿物质).Hurnans cannot 3 this water.Less than 1%of all thewater on Earth is fresh water that we4 use.Sowater is 5What is the water cycle(循环...
六、阅读理解①Do 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 ...
【题目】-How much of the earth is covered by water?A. One quarterB. T hree quartersC. T hree foursD. One half 相关知识点: 试题来源: 解析 【解析】【答案】B【解析】考查数词。分数的表达是“分子用基数词,分母用序数词,当分子大于1时,分母加s。"因此可先排除C。此外,根据常识,地球的四分之...
About 75% of the Earth's surface is covered with water. 97% of the water on Earth is salt water.It is made up of salt and other minerals(矿物质). Humans cannot drink this water. Less than 1%of all the water on Earth is fresh water that we can use. So water is valuable.What ...
解析 1. 1. About 70% of the Earth is covered by water. 2. Birds can fly in the sky. 3. The Earth provides us with air. weter and food. 4. They nced light and water. 5. We can plant more trees and not throw rubbish everywhere. ...
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 ...