百度试题 结果1 题目1 Which type of wave is light? A Electromagnetic B Longitudinal C Sound D Water Your answer A 相关知识点: 试题来源: 解析 A 反馈 收藏
A. Sound waves in air B. Water waves on the surface of a lake C. Waves in a slinky spring D. Seismic P-waves 相关知识点: 试题来源: 解析 B。水面上的水波是横波的例子。选项 A,空气中的声波是纵波。选项 C,弹簧中的波可以是纵波也可以是横波,不一定。选项 D,地震中的 P 波是纵波。反馈...
“A ___ of smiles lit up the room.” Which one is correct? A. shower B. burst C. wave D. flood 相关知识点: 试题来源: 解析 A。原因:“a shower of smiles”表示“一连串的微笑”,能让房间充满活力。B 选项“burst”突然爆发不太适合微笑;C 选项“wave”一般指波浪,不太符合微笑的场景;...
结果1 题目Which of the following is NOT an electromagnetic wave? A. Light B. Radio waves C. Sound waves D. X-rays 相关知识点: 试题来源: 解析 C。声音波不是电磁波。A 选项光、B 选项无线电波、D 选项 X 射线都是电磁波。反馈 收藏 ...
4. Where is the piece of text taken from? A. an advertisement B. an instruction booklet C. a story D. a newspaper Question 5 (Suggested completion time: 2 minutes) Directions: Read the text and answer the question according to the text. ...
which 解析:考查定语从句。分析句子结构可知,本句是非限制性定语从句,空格处在从句中作主语,先行词是“a millimeterwave cloud radar”,指物,应用关系词which引导。故填which。 相关知识点: 试题来源: 解析 variety 解析:考查固定搭配。句意:人们用各种各样的方式使用“朋友”这个词。根据句意可知,此处考查...
a我知道亲很时尚;但是我更知道:亲更懂得时尚。亲是最有魅力的人! I knew kisses very the fashion; But I knew that,Kisses understands the fashion.Kisses is the most charming person![translate] awhich is characteristic of a length of shear wave close to the beam thickness. 哪些是典型的切变波的...
一段时间（也就是）一个波峰到到一个波长所需的时间 which引导定语从句修饰period;it takes从句也是定语从句，修饰the time.是take time to do花时间做事
Which of the four statements is true of tidal wave A.It is the regular rise and fall of ocean waters.B.It comes at definite times of each day.C.It comes rushing in suddenly and unexpectedly.D.Scientists can hold back a tidal wave. 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
由第一段第一句“...which is a Japanese word that means ‘sea wave’.”可知Tsunami是指海浪,所以B正确。 (2)题详解: 细节理解题。由第一段Then, water begins to move up and down from the top of the ocean right down to the bottom. Waves begin to form, and each wave is called a ...