[听力原文]11-13 What makes it rain Rain falls from clouds for the same reason anything falls to Earth. The Earth’s gravity pulls it. But every cloud is made of water droplets or ice crystals. Why doesn’t rain or snow fall constantly from all clouds The droplets or ice crystals in ...
百度试题 结果1 题目What is the force that pulls objects towards the center of the Earth? A. Friction B. Gravity C. Magnetism D. Electricity 相关知识点: 试题来源: 解析 B。解析:重力是使物体向地球中心下落的力。反馈 收藏
1. The Earth is___ all living things. 地球是所有生物的家园。2. What problems is the Earth___?地球正面临着什么问题?3. What can we do___ the Earth? 我们能做些什么来保护地球?4. The Earth___ us___ all the things we need. 地球为我们提供了我们需要的一切5. It is our home and t...
解析 A。“The fact is”后面接表语从句,“the earth moves around the sun”是一个客观事实,用 that 引导,that 在表语从句中无实际意义,只起连接作用。if 和 whether 表示“是否”,此处不符合句意,what 在表语从句中充当主语、宾语等成分,不合适。
What is the force that pulls objects towards the earth? A. Magnetic force B. Gravitational force C. Electrical force D. Frictional force 相关知识点: 试题来源: 解析 B。A 选项磁力有特定的磁性物体才会产生吸引力;C 选项电力是与电荷相关的力;D 选项摩擦力是阻碍物体相对运动的力。而重力是地球对...
sconflictwithherson?A.Toleadintheuseofperiodintexting.B.Toemphasizethegreatpowerofwords.C.Toshowyoungsters?attitudestowardstexting.D.Tosuggesttherightuseofpunctuationmarks.( )6.WhyisJuanAbenanteRinconmentionedinthetext?A.Tomakeassessmentsontherecentstudy.B.Toconfirmthefindingsoftherecentstudy.C.Toput...
By definition, the Earth’s rotation is the amount of time that it takes to rotate once on its axis. This is, apparently, accomplished once a day – i.e. every 24 hours. However, there are actually two different kinds of rotation that need to be considered here. For one, there’s ...
What is one of the main effects of plate movement on the Earth's surface? A. Creation of new species B. Uniform distribution of land and water C. Formation of volcanoes 相关知识点: 试题来源: 解析 C。解析:板块运动对地球表面的主要影响之一是火山的形成。板块边界处,尤其是汇聚型板块边界,岩浆...
解析 B。本题考查主语从句。“What is known to us all”在句中作主语,“what”在主语从句中充当成分。“It”作形式主语时,后面的主语从句应该是完整的句子,此句主语从句缺成分,所以不选 A。“That”引导主语从句时无实际意义,不符合。“As”引导非限制性定语从句,不符合此处语境。
D。A 选项“The earth has land.”只是地球的一个方面;B 选项“The earth has water.”只是地球的一个方面;C 选项“The earth has air.”只是地球的一个方面。D 选项“The earth is a planet with land, water and air.”全面地概括了文章中关于地球的主要内容。反馈...