与美国小学生一起学英文 Water Water Seventy percent of the Earth is coverd with water and most of the water on the Earth is in the ocean.Only one percent of water on the Earth is drinking water.Why are the oceans salty?Water flows from rivers to oceans, it picks up some salt from ...
( )3. Only three percent of the water on the Earth ___ fresh water.A) isB) wasC) areD) were 相关知识点: 试题来源: 解析 A 本题考查主谓一致和时态。句中“percent”修饰不可数名词“water”,因此谓语动词用单数形式。由于描述的是客观事实,所以用一般现在时。故选A。反馈...
百度试题 结果1 题目About 98 percent of water on the earth ___ salt water.A. is B. are C. be D. am 相关知识点: 试题来源: 解析 A 反馈 收藏
百度试题 结果1 题目20. About three percent of the water on the earth is f___ (淡的) water.相关知识点: 试题来源: 解析 fresh 题目要求填写一个形容词来描述淡水,即非咸水。英语中描述淡水的形容词是“fresh”。因此,答案为“fresh”。反馈 收藏 ...
句子的主语是 “about 97 percent of the water”,核心词是 “water”,“water(水)” 是不可数名词。 A. is 用于第三人称单数形式,在这里,不可数名词作主语,谓语动词用单数形式,is 符合语法规则,此选项正确 B. are 用于第二人称单复数以及第一、三人称复数,与不可数名词作主语时谓语动词用单数这一规则不...
Althoughwater covers 75 percent of the world's surface, 97.5 percent of the earth's water is salt water; of the remaining 2.5 percent, most is locked away as groundwater or in glaciers. What percentage of Earth is land? Less than 30%of the 510 million square kilometers of area on the...
全文的意思是 水对生物很重要。没有水，地球上就没有生命。所有的动物和植物都需要水。人类也需要水。水几乎无处不在。即使在世界上最干燥的地方，空气中也有水。我们都知道，水可能是固体，或液体或气体。当它是固态时，它可以像砖一样硬，当它是液态时，你可以将它从容器中倒出。当它是气体，...
annual pollution from all types of plastics was estimated to be between 4.8 million and 12.7 million tonnes (between 5.3 million and 14 million tons) in the early 21st century, and floating plastic waste had accumulated inEarth’sfive subtropical gyres, which cover 40 percent of the world’s ...
a2.2 Conversion into Chinese Nouns 2.2转换到中国名词里[translate] aover 70 percent of the earth'surface is covered with water-that's why it's often referred to as the earth'surface的70%盖与水是为什么它经常指[translate]
Indonesian President Joko Widodo said in his opening remarks that in 2050, 500 million small farmers who contribute 80 percent of the world's food are predicted to be most vulnerable to drought. "By gathering us in Bali today, Indonesia hopes that the world can join hands on an ongoing basi...