Lightning rods are supposed to attract lightning, drawing it away from vulnerable structures, and they are also mounted on the roofs of some buildings so that if lightning does strike, it will be pulled to the lighting rod rather than the conductive materials in the structure. Structures in ...
经实验证明，涂改液中含有许多挥发性有害物质，二氯甲烷就是其中一种。下面关于二氯甲烷(CH₂Cl₂)的几种说法：①它是由碳、氢、氯三种元素组成的化合物；②它是由氯气和甲烷组成的混合物；③它的分子中碳、氢、氯元素的原子个数比为1:2:2;④它是由多种原子构成的一种化合物。说法正确的是()
A lightning conductor isa device used to protect buildings from the damaging effect of the lightning. ... The lightning conductor works on the principle of induction, such that when a charged cloud passes by the building, the conductor gets charge X opposite to that of the cloud through the ...
whereas females typically hover near (or on) the ground and blink in response to the males.The brighter and faster a male can blink the more likely he is to attract a female's attention, so he really goes for it.
2025年公共英语考点真题库 [单项选择题]What does the woman mean 关键词: does woman A.Buy the ticket. B.See a movie. C.Invite a friend. 本题来源:2015年湖北公共英语考试考前冲刺卷 查看最佳答案和解析
From:Why does lightning strike? And answers to 50 other weather questions Why does lightning strike? Dark Moon Pictures // Shutterstock Why does lightning strike? A lightning bolt is a discharge of electricity in the atmosphere. The strike equalizes the positive and negative charges in the air...
4. D Then they would fly the kites over water, letting the hooks(钩子)hang down to catch fish. 5. C Some of these kites look like animals or birds; others look like trees or houses. A.They used kites to attract lightning.B.They would fly these war kites in the dark.C.The ...
With summer about to start, few destinations attract as many tourists from families to honeymooners — as Hawaii. Just ask the 7.4 million people who visited last year. Drawn by the surf and sun, they arrive to discover other riches: rain forests, desert hikes, marine life. Emily McCary...
So the AirPods Max are the pricier pair and likely will be for some time, not least if the Ace continue to attract discounts at popular retailers like Amazon. The Ace are pricier than most wireless headphones, but Sonos has still carefully undercut one of its biggest competitors despite being...
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