试题来源: 解析 A。解析:本题考查宾语从句中的时态和主谓一致。在宾语从句中,如果描述的是客观事实,要用一般现在时,light是第三人称单数,所以动词travel要用travels形式。travel是原形,traveled是过去式,traveling是现在分词形式,都不符合要求,所以选A。反馈 收藏 ...
解析 B 句意:我们科学老师说光比声音传播快得多。本题考查宾语从 句的时态。 如果宾语从句表示客观真理、自然现象等,不论主句用 何种时态,从句一律使用一般现在时。 根据句意可知应用一般现在 时,又因主语 light 为第三人称单数,故选 B 。 反馈 收藏 ...
Sound and light: An alternative route to science literacy.Discusses an alternative approach in teaching physics and physical science courses. Beginning the teaching of physics with experiments on light and sound; Appeal of light and sound to students.Rossing...
SCIENCE GRADE FIVE – SOUND AND LIGHT Pitch Energy Sound Vocabulary: All K-4 process vocabulary plus: Accurate Calculate Absorb Echo Energy Molecule Opaque material Reflect Sound wave Translucent material Transparent material Vibration Volume Waves Vibrations Intensity Sound and Light Medium Color Direction...
Light, Sound, and Waves Science Fair Projects Using Sunglasses, Guitars, CDs, and Other Stuff的书评 ··· ( 全部0 条 ) 论坛 ··· 在这本书的论坛里发言 + 加入购书单 谁读这本书? ··· 二手市场 ··· 在豆瓣转让 手里有一本闲着? 订阅关于Light, Sound, and Waves Science Fa...
百度试题 结果1 题目In science, which moves faster, light or sound? A. Light B. Sound C. They move at the same speed D. It depends 相关知识点: 试题来源: 解析 A。在科学中,光的速度远远大于声音的速度,所以光移动得更快。反馈 收藏 ...
结果一 题目 4. Our science teacher told us that light travels fasterthan(声音) 答案 4. Our science teacher told us that light travels fasterthansound(声音).相关推荐 14. Our science teacher told us that light travels fasterthan(声音)
Hands-on Science: Sound and Light (机器翻译:动手动脑学科学:声音与光) 作者:KingFisher Publications 出版社:KingFisher Publications ISBN(13位):9780753402719 语种:英语 开本:16 页数:40 市场价:¥ 79.0 装帧成色申东价活动价库存 平装 九成新¥ 23.70¥ 20.860有货通知...
Hands-on Science: Sound and Light 来自 us.macmillan.com 喜欢 0 阅读量: 26 作者: S Angliss 摘要: These giant books containing exciting projects and experiments take a hands-on approach to science concepts. Hundreds of simple and easy experiments explore the various scientific principles behind ...
1.A.traveled:游历 Our science teacher told us that light traveled faster than sound.我们的科学老师告诉我们，光旅行速度比声音。2.B.travel:旅游 Our science teacher told us that light travel faster than sound.我们的科学老师告诉我们，光的旅行速度比声音 3.C.is traveling:是旅行...