解析 A。本题考查名词的用法。“amount”通常用于不可数名词,表示数量,淡水(fresh water)是不可数名词,这里说地球上淡水的数量是有限的,所以要用“amount”;“number”用于可数名词复数,表示数量;“quality”表示质量;“kind”表示种类,都不符合题意。反馈 收藏 ...
A. glaciers and ice caps B. rivers C. lakes D. groundwater 相关知识点: 试题来源: 解析 A。解析:地球上大部分的淡水储存在冰川和冰盖(glaciers and ice caps)中。河流(rivers)、湖泊(lakes)和地下水(groundwater)中的淡水量相对冰川和冰盖来说较少,所以正确答案是A。反馈...
Lake Baikal is the biggest body of fresh water on Earth It's about 1. 6 km in depth and is also thedeepest. Several unusual anumals call t home, including the world's only species of freshwater seal. There area large number of Baukal seals, about 8,000 -10,000. But the lake is...
Fresh water is very important in the world. About 97% of water on Earth is salt water. Man can only drink or use the water from rivers, lakes and the underground. But now the water shortage becomes a big problem. And people are trying their best to find more ways to get fresh water...
1We will run out of the fresh water on the earth if we don’t save it.( 改写句子,句意不变)The fresh water on the earth will be___ out of if it isn’t___ by us. 2【题目】We will run out of the fresh water on the earth if we don't save it.(改写句子,句意不变)T he...
The world is in great need of fresh water. About 97% of water on Earth is salt water. Man can only drink or use the rest which comes from rivers,lakes and the underground. The number of people in the world is becoming larger and larger,so we need more and more fresh water. Now wa...
the world is in great need of fresh water. About 97% of water on Earth is salt water. Man can only drink or use the rest which comes from rivers, lakes and underground. The number of people in the world is becoming larger and larger, so we need more and more fresh water. Now wat...
解答答案:run,saved. run out of表示用光,the fresh water是其承受者,构成被动关系,结合时态一般将来时用一般将来时的被动语态will+be+过去分词,run的过去分词还是run;if引导的条件状语从句中的主语it是动词save节约的承受者,构成被动关系,结合时态用一般现在时的被动语态am/is/are+过去分词,save的过去分词是saved...
About 3% of the water on Earth is " (fresh; salty)". 相关知识点: 试题来源: 解析 1.fresh 考查形容词词义辨析。句意:地球上大约3%的水是 "淡水" 。fresh意为淡水的,salty意为含盐的。根据常识可知地球上只有近3%是淡水。故答案为fresh。
5___ . A. meter tall B. meters tall C. meter high D. meters high 4( ) Her brother is only about 1.5 .A. meter tallB. meters tallC. meter highD. meters high 5About ___ of the water on Earth is “fresh”or without salt. A. 3% B. 10% C. 20% 反馈 收藏 ...