洗澡如何引出阿基米德原理 - Mark Salata：英语精读讲义

在 Some of the best opportunities to learn 中，to learn 起什么作用？

1. 它把 learn 变成将来时。
2. 它说明这些机会是用来做什么的。
3. 它表示机会本身会进行学习。

请使用 in 加上正确的关系代词完成这个正式句子：There are moments ____ patience matters most.

哪句话自然地使用了 begin to 加两个并列的动词原形？

1. The unusual result made the class begin to wondering and questioning.
2. The unusual result made the class begin to wonder and question.
3. The unusual result made the class begin wonder and question.

throughout history 和 have led to ... 在论述中起什么作用？

1. 它把这些时刻呈现为历史上反复出现的现象，并把这种现象与其结果联系起来。
2. 它中断论述，并引入一个无关的话题。
3. 它列出每项发现的确切日期，但不说明任何结果。

用固定结构 Take X for example 补全转场句：Many school clubs teach useful skills. ____ the robotics club ____.

听英文句子，选择你听到的完整句子。注意 once 以及它在句中的位置。

1. There once was a baker who lived by the sea.
2. There was a baker who once lived by the sea.
3. There was one baker who lived by the sea.

哪一种理解正确说明了这句话的历史背景？

1. 它说这个人当时287岁。
2. 它指的是公元前287年的古代叙拉古，也就是西西里岛上的一座希腊城市。
3. 它说叙拉古位于西西里岛之外。
4. 它指的是现代意大利城市中的公元287年。

用 summon 的一般过去时被动语态完成句子：Yesterday, the witness ____ by the judge to answer questions.

哪一句自然地表示“派 Maya 去查明店主之前是否已经受骗”？

1. Maya was sent to investigate if the shop owner had been cheated.
2. Maya was sent to investigate if the shop owner had cheated a customer.
3. Maya was sent only if the shop owner had been cheated.

哪一句使用了 give + 接收者 + 物品结构，并让 needed to build a model 修饰黏土的数量？

1. The teacher gave the exact amount of clay to each group that needed to build a model.
2. The teacher gave each group a model made from the exact amount of clay.
3. The teacher gave each group the exact amount of clay needed to build a model.

在一个完整句子中，开头的 when the crown was ready 会起什么作用？

1. 它会表示王冠决定采取行动。
2. 它会把王冠制作完成设为下一件事发生的时间点。
3. 它会把王冠制作完成当作整个故事的最终结论。

Nora 发现封条破了，并认为可能有同事打开过盒子。哪句话最准确地表达了她的判断？

1. She proved that a coworker had opened the box.
2. She doubted that a coworker had opened the box.
3. She suspected that a coworker had opened the box.

用 slip 的过去式补全句子：Without anyone noticing, Leo ____ a note into the teacher's folder.

哪句话正确使用了逗号 + -ing 短语，表示同一个人随后产生的行为结果？

1. The clerk changed the total, and he kept the extra money for himself.
2. Keeping the extra money for himself, the total was changed by the clerk.
3. The clerk changed the total, the extra money was kept for himself.
4. The clerk changed the total, keeping the extra money for himself.

补全用于引出隐藏不利条件的固定表达：The job sounded ideal, but there was ____: it required weekend work.

使用 do、any、damage 和 to 补全句子：The museum lights are safe and won't ____ the paintings.

判断这个句子中的 while + -ing 省略结构是否自然：While walking home, the rain started.

1. 不自然
2. 自然

用 rise 的一般过去式完成句子：The researcher noticed that the temperature ____ quickly.

哪句话用 as 引出一个与相关变化同时发生的动作？

1. Nina works as an engineer.
2. As Nina turned the handle, the gate slowly opened.
3. Nina is as tall as her brother.
4. Because Nina was tired, she went home.

用 how much water 和 displace 的过去时被动形式完成句子：The engineers measured ____ by the model boat.

用 depend on 的正确形式完成句子：The amount of paint needed ____ how large the wall is.

用本课的三个词结果结构完成句子：The magic trick amazed Luis ____ he asked to see it again.

使用 jumped out of 完成句子：When the lid opened, the rabbit ____ the box.

在故事中，一个角色解决难题后喊出“Eureka!”。这个感叹词表示什么？

1. 某人在询问某个地点在哪里。
2. 某人突然找到了解决办法。
3. 某人丢失了一件重要物品。

一位讲者说：“Why did the bridge fail? The metal had weakened over time.” 第一句起什么作用？

1. 它表明讲者不知道原因。
2. 它把注意力引向讲者接下来给出的解释。
3. 它要求听众先去调查原因再继续。

哪一句中的 Well 是用于引出回答的话语标记？

1. The old well is behind the house.
2. She explained the plan well.
3. Well, we need to check the map again.

在“You see, this material expands when heated”中，You see 起什么作用？

1. 它询问听者是否看得清楚。
2. 它引出背景或解释。
3. 它命令对方看这种材料。

补全目标结构 need to + 动作 + to see if：We need to test the doorbell ____ it is working.

哪个句子正确使用同一句型，把速度定义为距离 ÷ 时间？

1. Speed is a measure of time divided by distance.
2. Speed is a measure of distance divided by time.
3. Speed is a measure of distance multiplied by time.

哪个句子中的 while 与例句一样表示对比？

1. The first box is heavy, while the second is light.
2. I read a book while I waited for the bus.
3. While the machine was running, the light stayed on.

哪句话正确比较了两种假设的材料条件？

1. If the case were made of aluminum, it would be lighter than if it were made of steel.
2. If the case would be made of aluminum, it were lighter than if it was made of steel.
3. If the case were made of aluminum, it will be lighter than if it were made of steel.

用 no matter what 补全英文句子：____ you choose, explain your reason.

在 The last train has left, which means we need to take a taxi. 中，which 回指什么？

1. “The last train has left”这一整件事
2. 只回指动词 left
3. 只回指名词 train

哪句话使用 If ... could ..., ... could ... 表示“如果能完成一个可能的步骤，就能实现某个结果”？

1. We could map the cave, but we could not choose a safer route.
2. If we could map the cave, we could choose a safer route.
3. Because we mapped the cave yesterday, we chose a safer route.

哪句话自然地表示“我们需要调查并弄清机器停止的原因”？

1. We need to find out why the machine stopped.
2. We need to find the stopped machine.
3. We need to find out why did the machine stop.

用 measure 的不定式形式完成句子：It is not easy ____ the volume of an irregular object.

哪句话正确使用了这个结构来比较两种设计？

1. This design is different from the old one.
2. This design different from the old one.
3. This design is different with the old one.

在“You can't measure the sides and multiply”这句话中，can't 表示什么？

1. 这种方法不适用于这个物体。
2. 规则不允许测量这个物体。
3. 听者还没学会乘法。

哪句话正确地把 Maya realized 作为插入说明放进 The answer was ... 这一框架中？

1. The answer, Maya realized, was hidden in the final paragraph.
2. The answer was, Maya realized hidden in the final paragraph.
3. The answer Maya, realized was, hidden in the final paragraph.

在这个科学故事中，to give the crown a bath 是什么意思？

1. 制作一个王冠形状的浴缸。
2. 用肥皂洗掉王冠上的污垢。
3. 把王冠放入水中，以便测量它的体积。

请用 compare 按 by + -ing 的结构完成句子：____ the two records, Maya found the mistake.

在这个句子中，he'd 表示什么：“With those measurements, he'd calculate the density.”

1. he had
2. he did
3. he would

用 if 和 then 完成条件推理：____ a number is even, ____ it can be divided by two with no remainder.

在“the goldsmith most definitely cheated the king”中，most definitely 表明什么？

1. 说话人认为金匠可能欺骗了国王。
2. 说话人不确定是否有人实施了欺骗。
3. 说话人非常确定金匠欺骗了国王。

句首的 When 从句在叙述中起什么作用？

1. 它自己就给出了测试的最终结果。
2. 它先交代测试发生的时间和情境，再引出主要结果。
3. 它开启了一个与前面解释无关的全新故事。

这里的 the story says 表达了什么态度？

1. 它把这个说法作为传统故事的一部分来讲，而不是当作完全证实的事实。
2. 它表示一本书真的在开口说话。
3. 它证明每个细节在历史上都确定无疑。

一项测试证明 Maya 先前的怀疑是正确的。哪句话最能表达这种确认？

1. Maya might have hidden the key.
2. Maya had indeed hidden the key.
3. Maya had already hidden the key.

用 slip ... in 的过去式完成句子：Before the inspection, someone ____ a fake label ____.

用本课中的两个词表达补全这一过去与现在的对比：People once relied on paper maps. ____, most drivers use digital maps.

哪一个句子使用 -ing 短语作主语，而且动词形式正确？

1. Measuring small objects accurately requires patience.
2. Measuring small objects accurately require patience.
3. Measure small objects accurately requires patience.

本句中的 Archimedes' principle 是什么意思？

1. 阿基米德在日常生活中遵守的一条个人原则
2. 一条关于什么时候洗澡的指示
3. 一个与排开的流体和浮力有关的、有专名的科学原理

请用指定短语 The next time 完成句子：____ you use the telescope, check the lens first.

哪句话表示人们亲眼看到了一个系统实际运作？

1. At the open house, we put the new recycling system in motion.
2. At the open house, we read the name of the new recycling system.
3. At the open house, we saw the new recycling system in action.

哪句话最适合作为鼓励式结尾，邀请观众自己去发现？

1. Maybe you'll discover a solution of your own.
2. You will definitely repeat someone else's answer.
3. Only experts can find solutions.