The atmosphere protects the earth. What is the atmosphere made of? A. Gas and dust B. Water and fire C. Earth and moon D. Stars and gas 相关知识点: 试题来源: 解析 A。本题考查对大气层组成的了解,大气层由气体和尘埃组成。B 选项水和火不对;C 选项地球和月亮不对;D 选项星星和气体不对...
Scientists Find Surprise Hidden in Earth’s Mantle The Sun Turned Blue 200 Years Ago. Now We Know Why Scientists Found Lost Landforms Deep Under the Sea A Massive Solar Star Turned Tractors into 'Demons' The First Ice-Free Arctic Day Could Arrive in 2027 ...
The atmosphere protects the Earth from harmful rays. What is the atmosphere made of? A. Water and air. B. Gases. C. Soil and water. D. Rocks and minerals. 相关知识点: 试题来源: 解析 B。大气层是由气体组成的;A 选项水和空气不准确;C 选项土壤和水错误;D 选项岩石和矿物质错误。
D,考查动名词,句子的完整回答是Being accused of cheating in the exam made Susan weep,动词短语在句首作主语,使用其动名词形式,D选项为省略句. 故选:D.--究竟是什么让Susan哭泣? --被抓到作弊.考查动名词的用法,应注意分析句子结构,再对恰当的形式进行确定,还应注意固定搭配.结果...
There is, however, a continuum of planetary materials increasing in Mg/Si and Al/Si ratios in the order enstatite, ordinary, carbonaceous chondrites, PUM. If the upper mantle and the lower mantle have the same composition, then an interpretation is that the Earth was made of primitive ...
What is the Earth Made of Thiswhat is the Earth made oflesson is a fun, hands-on earth science unit for preschoolers, kindergartners, grade 1, grade 2, and grade 3 students. We will explore the4 layers of the Earthusing a fun, informational, and easy-to-read book. Then we will di...
Is It fall or What by:英语故事 4362 Loving What Is -CD1 by:海上明月清 2.2万 What was/is where is 系列 by:Janet2018Yi 160 It Is What It Is-Walter Stewart by:嘻哈有态度 330 It Is What It Is-Walter Stewart by:嘻哈有态度 下载手机APP ...
The speed of growth depends on the type of bamboo, the earth and the season. Normal bamboo grows 3—10 cm a day. It usually grows in tropical (热带的) areas. 3 Bamboo plants are found in Asia, Australia, parts of Africa, and South America. One of the world’s oldest building ...
Unit 5 What are the shirts made of I.单项选择1.___las.week? A.Wha.happene.t.he..B.Wha.wa.happene.t.he..C.Wha.wa.sh.happened 2.On.thir.o.th.earth’.surfac.___.water.A.i.covere.b.B.wa.covere.b.C.cover.by 3.D.yo.kno.win.i.___.grapes.A.mad.o...B.mad.fro.....
The ocean covers more than 70% of the Earth’s surface. It produces at least half of the planet’s oxygen and absorbs around 30% of the carbon dioxide produced by humans. The sea is home to most of our biodiversity and 3 billion peop...