How amazing it is! Sand turns to glass when it ___ by the lightning. A. hits B. is hit C. is hitting D. will be hit 相关知识点: 试题来源: 解析 B 【详解】 句意:这是多么神奇啊!沙子被闪电击中后变成玻璃。 考查被动语态。句子主语it指代的是“Sand”,与动词hit之间是被动关系,应用被动...
The sand commonly used to make glass is comprised of small grains of quartz crystals, made up ofmolecules of silicon dioxide, which is also known as silica. When those molecules are heated to high enough temperatures, the sand melts and loses its crystalline structure, and as it cools it ga...
When it's time to put on the finishing touches, you can paint the walls, screw on switchplates, replace the glass shower door, and, yes, pick up the debris rather than paying someone else to do it. The money you save on labor can pay for some of those luxurious material upgrades you...
百度试题 结果1 题目【题目】-How does the glass feel?It'sand .A. soft; smooth B. hard; roughC. hard; smooth 相关知识点: 试题来源: 解析 PB^2
The stones were rubbed on a piece of wetted sandstone to hone the cutting edge. In some cases, loose sand was scattered on a flat rock, and objects were rubbed against the sandy surface to smooth them. The first beads with a glass glaze appeared in Egypt in about 3,500-3,000 B.C....
Some cells are built into the kaleidoscope body; others are attached to the outside or slipped through the side. Some are even interchangeable, or they open, allowing the user to add different objects. All of these must be made of a transparent material, like glass or plastic, so that ...
Still, the Victorian look can successfully be brought to a log cabin, especially one with squared logs that offer a smooth canvas for hanging the multitude of paintings, mirrors, and knickknacks that are the hallmarks of this style. For their abundant luxury, Victorian-style dining rooms and ...
it, whether that setting be tranquil or willful. To look at one of his buildings from the street corner is to be impressed by its beauty and shape, but walk inside and you see where he was the true master -- he ruled interior spaces, down to the last chair and stained glass accent....
百度试题 结果1 题目How is glass made?A.By hrating sand B.By masging up wood from trees C.By weaving fibres together 相关知识点: 试题来源: 解析 A
Tara Dodrill on eHOWuses exactly the two elements which produce real sea glass - water and sand - to not only smooth the sharp edges but achieve that frosted look. Tara recommends masonry sand not play sand. The instructions are rather confusing but I never thought ice-cream making machines ...