( ) How long did dinosaurs live on earth before they ?A. showed B. disappeared C. appeared D. grew 相关知识点: 试题来源: 解析 【选项解析】showed 展示;disappeared 消失;appeared 出现、显现;grew 成长。【句意提示】恐龙消失之前在地球上生活了多久?B....
( ) How long does it take the earth (地球) to run once on its axis (轴)? A. 12 hours. B. 1 hour. C. 24 hours. D. 5 days. 相关知识点: 试题来源: 解析 【句意提示】地球绕轴一周需要多长时间?【相关语法点提示】地球自转一周的时间为24小时。【答案】C....
1【题目】How long did the dinosaurs exist?A. to EarthB. on the EarthC. in EarthD. in the Earth 2( )1. How long did the dinosaurs existA. to EarthB. on the EarthC. in EarthD. in the Earth 3 How long did the dinosaurs exist___? A.to earth B.on the earth C.in earth...
The center of the disk accreted to become the Sun, and the particles in the outer rings turned into large fiery balls of gas and molten-liquid that cooled and condensed to take on solid form. About 4.5 billion years ago, they began to turn into the planets that we know today as Earth,...
解析 【答案】disappeared【核心短语/词汇】disappear 消失【翻译】在消失之前恐龙在地球上生存了多久?【解析】根据语境和常识可知句意为“在消失之前恐龙在地球上生存了多久?”disappear消失,before引导的时间状语从句是一般过去时,disappear应用过去式disappeared,故应填:disappeared。 反馈 收藏 ...
Planet Earth is a clock How Long Is Today? Today is predicted to be 0.5258 ms (milliseconds) or 0.0005258 seconds shorter than 24 hours. This is the time it takes Earth to rotate 24.46 cm (9.63 in), as measured at the equator.
趣味英语。(1)How long does it take the Earth(地球)to turn once on its axis(轴)?A.12 hours. B.1 hours. C.24 hours. D.5 days.(2)一What’s wrong with my computer? Dad,can you help me?一Let me have a look...It’s OK now.一You’re great.Dad.一It’s a piece of cake....
— How long did dinosaurs live on earth? — For more than150 m years.相关知识点: 试题来源: 解析 [答案](m)illion [详解]句意:——恐龙在地球上生活了多久?——超过1.5亿年。根据句意可知此处是数量,结合首字母可知用million“百万”,数字后不用复数。故填(m)illion。
Now we are going to consider the more general case 𝐼(𝑡,0,0,0)≠0I(t,0,0,0)≠0, and we cannot expect the solutions to approach the origin for long times, but we can ensure that the solutions are ultimately confined by a small bound in some sense. Theorem 1. Suppose the per...
1.How long did dinosaurs live on Earth? ___ 2.What did dinosaurs eat? 3.Could dinosaurs fly? 4.Where did dinosaurs live on Earth? 5.Why did dinosaurs die out suddenly? 答案 结果二 题目 I.根据教材中记载的有关恐龙的情况,回答下列问题。1. How long did dinosaurs live on Earth?2. Wha...