什么是金属玻璃？ - Ashwini Bharathula：英语精读讲义

用 are essential to 完成句子：Reliable maps ____ safe navigation.

哪个句子表示两种设计具有不同的特点，可以弥补彼此的弱点？

1. The two designs have identical strengths and weaknesses.
2. The two designs have complementary strengths and weaknesses.
3. The two designs both have strengths and weaknesses.

使用 difficult + to 不定式结构和动词 shape 完成句子：This alloy is ____ into detailed designs.

用表示“开始具有”的双词短语动词完成句子：As the sun set, the clouds began to ____ a deep orange color.

使用完整框架温和地引出理想情况，完成句子：____ a safe bike path to the park?

使用形容词 warm 和 light 完成两个同级比较：This camping jacket is ____ wool and ____ a T-shirt.

用 get excited about 的进行时形式完成句子：Researchers are ____ a safer battery design.

说话人已经提到一台笔记本电脑既轻便又耐用。哪个续句既回指这两个特点，又暗示它还有其他优点？

1. The laptop comes with both of those advantages and more.
2. The laptop comes with either of those advantages, but not both.
3. The laptop comes with neither of those advantages.

说话人在句中为什么重复 like metals？

1. 两个比较都只描述这种材料的外观。
2. 第一个比较组织外观信息，第二个比较组织功能信息。
3. 第二个比较否定了第一个比较。

使用 way 和 fast 的比较级补全句子：The express train is ____ the local train。

用 which means 补全句子，引出实际结果：The battery lasts for two days, ____ I do not need to charge it tonight.

选择最适合补全这条技术描述的动词：The case can _____ heavy impacts without cracking.

1. withstand
2. stand
3. withstand against

选择正确使用 without + getting + 过去分词的句子。

1. The package arrived without got damaged.
2. The package arrived without get damaged.
3. The package arrived without getting damaged.

哪句话使用 -ing 分句补充前一个分句带来的结果？

1. To make production more efficient, the team changed the process.
2. The new process cuts waste, making production more efficient.
3. The factory is making a new machine this week.

用表示“还有许多例子”的惯用语补全句子：The library has novels, comics, magazines, audiobooks, and ____.

哪个句子正确使用了 ability to，并让 store 和 retrieve 保持并列？

1. The system has the ability to storing and retrieve data quickly.
2. The system has the ability for store and retrieve data quickly.
3. The system has the ability to store and retrieve data quickly.

请使用 make + object + perfect for，并注意动词形式，完成句子：The padded straps ____ this backpack ____ long hikes.

请使用 resistant 及其固定介词完成句子：This outdoor lock is ____ rust, so rain will not damage it quickly.

哪一句正确使用 cast into 描述制造过程？

1. The molten metal can be cast at detailed parts.
2. The molten metal can be cast into detailed parts.
3. The molten metal can cast into detailed parts.

哪一句正确展开了这两个介词短语补充的信息？

1. The shapes have mirror-like surfaces, and both the shape and finish are achieved in one molding step.
2. The mirror-like surfaces are tools used during several molding steps.
3. One mold is used to make a surface, but the shapes require a separate process.

哪个句子正确使用了 despite？

1. Despite its small size, but the camera takes sharp photos.
2. Despite its small size, the camera takes sharp photos.
3. Despite the camera is small, it takes sharp photos.

哪个句子表示温度升高了 200 度，而不是最终达到 200 度？

1. During the test, the temperature went up 200 degrees.
2. During the test, the temperature was set at 200 degrees.
3. During the test, the temperature went up to 200 degrees.

使用 can be deformed into 完成材料特性的描述：When heated, this polymer ____ almost any shape.

汤又变热了。使用 cool ... back down 完成操作指示：Set it in an ice bath to ____.

这个问题在组织解说时主要起什么作用？

1. 询问实物样本是在哪里采集的。
2. 表示讨论已经结束。
3. 把解说从描述这些特性转向解释其成因。

In essence 出现在句首时表示什么？

1. 说话人正在纠正之前的发音。
2. 后面的陈述会给出最根本的要点。
3. 说话人接下来要补充一个无关的例子。

用 have to do with 的正确形式完成句子：The change in color ____ the temperature.

哪一项最准确地解释了本句中的 crystalline as solids？

1. 大多数金属只是看起来像固体物体。
2. 大多数金属每次变成固体时都会变得透明。
3. 大多数金属在固态时具有有序的原子结构。

哪句话使用了相同的假设结构，引导听者想象一种观察？

1. If you look closely enough, you'll notice a tiny crack.
2. If you looked closely enough, you'd notice a tiny crack.
3. You looked closely enough, so you noticed a tiny crack.

哪句话自然地描述了物体形成整齐、重复的排列？

1. The tiles are neatly lined up in a repeating pattern.
2. The tiles are randomly scattered across the floor.
3. The tiles are neatly lined up beside a repeating pattern.

用 extend throughout 的正确形式补全句子，表示图案覆盖地板的每一处：The pattern ____ the entire floor.

用 so 的倒装结构补全句子，表示队友们也准备好了：Mia is ready, and ____.

哪句话正确使用了 if + heat ... up enough and melt ... 来表达过程条件？

1. If you move the wax up enough and melt it, you can pour it into a mold.
2. If you heat the wax up enough and melt it, you can pour it into a mold.
3. If you heat enough up the wax and melt it, you can pour it into a mold.

哪项描述最符合 jiggle freely and move randomly？

1. 微粒以恒定速度沿一条直线运动。
2. 微粒完全静止在固定位置。
3. 微粒进行小幅运动，并在没有固定规律的情况下改变方向。

哪个句子表示分子自行改变排列方式，并因此恢复原有结构？

1. The technician reorganized the molecules, restoring the original structure.
2. The molecules reorganized themselves before the original structure disappeared.
3. The molecules reorganized themselves, restoring the original structure.

哪个句子能自然地引出科学思想实验，而不是提出请求？

1. Could you store this solar energy for me?
2. We stored solar energy for months.
3. What if we could store solar energy for months?

用由 fast 构成的三词结果结构完成句子：The cyclist was moving ____ I couldn't read the number on the bike.

在这段科学讲解中，couldn't find their places again 是什么意思？

1. 原子弄丢了一张标出各自指定位置的地图。
2. 原子没有足够时间恢复成有序排列。
3. 原子有意识地忘记了自己应该在哪里。

使用 be A, but with B 结构完成句子：The room is small, ____ a large window.

这里的 amorphous internal structure 是什么意思？

1. 这种材料在室温下必须保持液态。
2. 原子没有形成规则、重复的晶体排列。
3. 这种材料的外表形状凹凸不平。

在例句中，So that 起什么作用？

1. 开始一个与前面问句无关的定义。
2. 承接前面的假设，引出由此产生的状态。
3. 说明说话人制造金属玻璃的目的。

使用 has the added benefit of + -ing 完成句子：The redesigned form is easier to read and ____ processing time.

在材料科学中，grain boundaries 指什么？

1. 金属表面的划痕
2. 谷物颗粒的外缘
3. 相邻晶粒之间的界面

请用 susceptible to 完成句子：Young plants are especially ____ frost.

用 was made in + year + from 完成句子：The first test bottle ____ recycled glass.

用 wasn't easy to make 完成句子：The prototype ____.

在句子 "The syrup crystallized so rapidly that the candy maker could not shape it," 中，so rapidly 表达了什么？

1. 这里的 so 表示“所以”，开启一个单独的结论。
2. 表示结晶发生得非常快，并造成了后面所说的结果。
3. 表示结晶是在长时间延迟后才发生的。

哪句话正确表达了某个外部问题使快速冷却成为必要？

1. The technician wanted the test sample hot, so she cooled it down slowly.
2. Because the test sample was overheating, the technician had to cooling it down incredibly fast.
3. Because the test sample was overheating, the technician had to cool it down incredibly fast.

哪句话正确解释了 a million degrees Kelvin per second 这一速率？

1. 这个过程会持续一百万秒。
2. 温度每秒变化一百万开尔文。
3. 最终温度是一百万开尔文。

使用 shoot 和 by + -ing 结构完成句子：The device cools tiny droplets ____ them at a cold plate.

在材料工程描述中，The process spins ultra-thin metal ribbons 是什么意思？

1. 它会制成极薄、狭长的金属带材。
2. 它会用装饰性的金属蝴蝶结包住机器。
3. 它只让金属旋转，而不改变金属的形状。

哪句话能自然地表示旧工艺把薄膜的厚度限制在大约 50 微米？

1. The film could only have about 50 microns thick.
2. The film could only be about 50 microns thick.
3. The film could only be about 50 thick microns.

使用目标结构 too + 形容词 + for，说明薄膜因为太薄而不适用：The film is ____ outdoor use.

用 figure out 的过去式完成句子，表示测试带来了答案：After three tests, the engineers ____ that a loose wire caused the shutdown.

哪一项准确概括了 if 从句中的组合条件？

1. 这些金属无法混合，所以会完全分开。
2. 这些金属能充分混合，但很难形成一个共同的晶体结构。
3. 这些金属一经混合就很容易结晶。

very different atomic sizes 在这里是什么意思？

1. 这些元素的原子大小相差很大。
2. 这些金属样品的外部尺寸差异很大。
3. 这些晶体使用了几种不同的单位来测量。

哪句话表示可以慢一些冷却，同时仍然允许快速冷却？

1. You have to cool the sample faster than before.
2. You don't have to cool the sample as fast as before.
3. You mustn't cool the sample as fast as before.

哪句话使用替代对比，表示新的厚度是厘米级而不是微米级？

1. The report gives the same thickness in both centimeters and micrometers.
2. The new coating can be centimeters thick instead of micrometers thick.
3. The new coating is micrometers thick, while the old coating was centimeters thick.

哪个句子最清楚地在缩写首次出现时介绍它？

1. BMGs means that the glasses are sold in bulk.
2. Bulk metallic glasses, or BMGs, can be produced in larger pieces.
3. Bulk metallic glasses and BMGs are two unrelated materials.

画线问题在这段讲解中的主要作用是什么？

1. 它声称桥梁和汽车已经在使用 BMGs。
2. 它引出接下来要说明的现实限制。
3. 它要求观众数一数有多少种 BMG。

哪句话能自然地表示“再生玻璃是制作这些珠子所用材料的一个例子”？

1. The beads are made from materials like recycled glass.
2. The beads are made for materials as recycled glass.
3. The beads are made by materials except recycled glass.

一项安全规定要求样品完全干燥。哪句话把这一点表达为必要条件，而不只是建议？

1. The samples can be completely dry.
2. The samples should be completely dry.
3. The samples have to be completely dry.

这里的“any impurities can cause crystallization”是什么意思？

1. 任何种类的杂质，哪怕含量很少，都可能使晶体形成。
2. 结晶总会清除所有杂质。
3. 只有大量杂质才一定会使晶体形成。

哪句话中的 astronomically 表示“达到极高的程度”？

1. The repair bill was only slightly higher than expected.
2. The repairs involved an astronomical telescope.
3. The repairs were astronomically expensive.

按顺序使用 not、yet、tough 和 enough，并补上所需的介词：The alloy is strong, but it is ____ load-bearing parts.

在“When the stresses get high, the beam may fracture,”这句话中，stresses 是什么意思？

1. 工程师感受到的心理压力
2. 材料内部单位面积上的机械应力
3. 材料上承受的总重量

用本课中表示“事先没有明显征兆就断裂”的确切三个词补全安全报告：Under extreme loads, the metal supports may ____.

说话人用 which isn't ideal for say, a bridge 暗示了什么？

1. 突然失效会给桥梁带来严重的安全问题。
2. 桥梁虽然不够完美，但仍然可以接受。
3. 说话人想让别人说出 bridge 这个词。

这种方法目前还不知道。哪句话最准确地表示团队必须解决“如何让设备更便宜”这个问题？

1. The team knows how to make the device cheaper.
2. The team found out that the device is cheaper.
3. The team needs to figure out how to make the device cheaper.

用本课中表示“未来的可能性几乎没有上限”的习语完成句子：Once you master the basics, ____.