我们为什么要采集鲎的血液？ - 伊丽莎白·考克斯：英语精读讲义

句中标出的开头部分主要起什么作用？

1. 它比较温暖的白天和满月的夜晚。
2. 它先设定较宽泛的季节，再在主要事件前给出更具体的时间。
3. 它列出三个互不相关的时间。

用目标 emerge-from 结构补全这句动物描写：At sunset, the moths ____ their shelters ____ feed.

哪一个句子使用了与例句相同的描写性倒装？

1. Waiting outside are three taxis.
2. Three taxis are waiting outside.
3. Waiting outside three taxis are.

请用表示“数量达到几十万”的五词短语完成句子：During the migration, birds crossed the bay ____.

下面哪句话自然地使用了 harvest，表示为研究而采集生物材料？

1. Researchers harvested cells from the tissue for analysis.
2. The nurse harvested a patient's blood for a routine checkup.
3. The farmer harvested a medical appointment.

哪句话表示救援人员把海豹送回了海洋？

1. The rescuers returned to the ocean after releasing the seal.
2. The rescuers returned the seal to the ocean.
3. The seal returned to the ocean on its own.

请用本课中表示“出人意料”的准确两词标记完成句子：____, the smallest box was the heaviest.

哪一句自然地使用了相同的结构：地点名词后接 we know we can，再接一个动词？

1. That is the only beach we know can find shells.
2. That is the only beach we know can we find shells.
3. That is the only beach we know we can find shells.

哪个句子强调志愿者总数达到300人，是一个很大的数量，而不只是说明上限？

1. The cleanup allows a maximum of 300 volunteers.
2. As many as 300 volunteers joined the cleanup.
3. Up to 300 volunteers can join the cleanup.

请用以 up 开头、表示上限的两个单词补全句子：The battery can last ____ 12 hours.

选择正确使用现在分词短语补充伴随过程的句子。

1. The young snakes grow quickly, periodically shedding their skins as they develop.
2. The young snakes growing quickly, periodically shedding their skins as they develop.
3. The young snakes grow quickly, periodically shed their skins as they develop.

用 Once 和 until 完成下面的英文句子：____ the store closes, it won't reopen ____ Monday.

用所标出的生物学表达完成句子：The sea turtles ____ at about twenty years of age.

用所标出的让步短语完成句子：____, we could not repair the bike.

哪句话能自然表达“我们仍会偶尔收到一两起投诉，但投诉并不多”？

1. We still receive the occasional complaint.
2. We still receive the occasion complaint.
3. We still receive the occasionally complaint.

用表示“深度可达 300 米”的 as + 形容词 + as 结构补全句子：The submarine can dive ____ 300 meters below the surface.

哪句话自然地使用 come ashore 来表示从水中来到陆地并说明目的？

1. The turtles come ashore to lay their eggs.
2. The turtles come ashore for lay their eggs.
3. The turtles come to ashore to lay their eggs.

使用高亮短语中用于命名的词补全句子：The library has a room ____ the Discovery Lab.

用 protect X from harm by Y 结构中的两个介词完成句子：This shield protects the engine ____ damage ____ flying stones.

哪句话自然地表示“某种材料形成凝胶，并且凝胶包围受损区域”？

1. The damaged area forms a gel around the material.
2. The material forms a gel around the damaged area.
3. The material forms a gel inside the damaged area.

用 prevent 的目的形式和 bite 的正确形式完成句子：We use a net ____ mosquitoes from ____ us.

This isn't unusual 在这段说明中的主要作用是什么？

1. 把前一个事实视为普通现象，并为真正的差异做铺垫。
2. 说明接下来的要点也很普通。
3. 否定前一个事实是真的。

请用目标短语 sensitive to 完成句子：This light meter is exceptionally ____ small changes in brightness.

哪一项正确使用了术语 endotoxins？

1. endotoxins 是完整的活细菌。
2. endotoxins 是细菌细胞壁中的分子，即使活细菌已经不存在，它们仍可能残留。
3. endotoxins 是消灭细菌的人类血细胞。

使用 release 的被动形式完成这句科学描述：A small amount of gas ____ when the tablet dissolves.

请按正确顺序使用 make、people 和 sick 完成句子：Contaminated food can ____ if it is not stored safely.

请选择使用 rely on 描述医疗器械时结构正确的句子。

1. These are the medical devices we rely every day.
2. These are the medical devices on we rely every day.
3. These are the medical devices we rely on every day.

请用一个标准安全术语完成这则实验室警示；该词表示“因混入不应有的物质而变得不安全或不纯”：The sample can become ____ if the container is left open.

哪一个句子清楚体现了“风险或原因，然后是必要行动，最后是时间界限”的结构？

1. Before these samples may be contaminated, we have to leave the lab.
2. These samples may be contaminated, but we have to seal them after we leave the lab.
3. These samples may be contaminated, so we have to seal them before we leave the lab.

加入现在时的强调助动词，以强烈确认这个陈述：I ____ agree with your main point, but I have one question.

本句中的 Gram stains 是什么意思？

1. 清除人体内毒素的药物
2. 实验室设备上的普通脏污
3. 用于观察和分类细菌的实验室染色测试

哪句话表示即使停电，门仍然保持锁定？

1. The door stays locked even when the power is off.
2. The door stays locked because the power is off.
3. The door stays locked only when the power is on.

用 produced from 完成句子：The packaging, ____ seaweed, dissolves in water.

在这个句子中，LAL 指什么？

1. 一种用于检测内毒素的提取物
2. 一种直接给患者使用的药物
3. 检测要寻找的内毒素

用 test 和正确的介词完成句子：The lab will ____ lead in the water.

哪一句使用 if 把可观察到的检测结果与结论连接起来？

1. If the indicator turns red, record the time.
2. If the chemical is present, add three drops of water.
3. If the indicator turns red, the chemical is present.

用 so + 副词 + that 结果结构完成句子。请把 clear 变成正确形式：The guide explained the rule ____ everyone understood it. (clear)

使用 protect 的现在完成时被动形式并加上 by，完成句子：Many coastal homes ____ the new sea wall.

这句话在演讲中的主要话语作用是什么？If you've ever had an injection, that probably includes you.

1. 要求听众提供自己的注射记录
2. 声称每位听众都肯定打过针
3. 把一个庞大、抽象的群体与听众的个人经历联系起来

请用 end up with 的过去式完成句子：The hotel lost our booking, so we ____ a smaller room.

句首短语在这句话中起什么作用？

1. 它把马蹄蟹归入无脊椎动物这一类别，并引出一个共有特征。
2. 它把马蹄蟹与所有无脊椎动物区分开来。
3. 它表示其他无脊椎动物喜欢马蹄蟹。

哪项说法最准确地描述了开放式循环系统？

1. 动物体内没有循环液。
2. 循环液并不总是包含在血管内。
3. 动物可以随时打开或关闭自己的循环系统。

请用 contain 的被动形式和正确的介词完成句子：The liquid is ____ a sealed tank.

请用 flow freely through 完成句子：Fresh air can ____ the open windows.

哪一句正确表示液体不得在没有阻隔的情况下接触皮肤？

1. Do not let the liquid come in directly contact to your skin.
2. Do not let the liquid come in direct contact with your skin.
3. Do not let the liquid come to direct contact with your skin.

哪一句在规范科学英语中正确使用 if 条件句说明可能的结果？

1. If bacteria enter the bloodstream, they can spread quickly.
2. If bacteria enter the bloodstream, they can spreading quickly.
3. If bacteria will enter the bloodstream, they can spread quickly.

哪个选项最准确地说明了“Pair A with B, and it's easy to see why...”要求受众做什么？

1. 只把 A 和 B 两个物体摆在一起，不得出任何结论。
2. 从 A 和 B 中任选一个，忽略另一个。
3. 把 A 和 B 放在一起考虑，再用这两个因素理解一个结论。

“mass extinction event”是什么意思？

1. 一场以史前动物为主题的有计划公众活动。
2. 一只动物个体死亡。
3. 在地质意义上较短的时期内，世界各地异常高比例的物种灭绝。

哪句话中的 wipe out 表示“几乎彻底摧毁大量事物或整个群体”？

1. The wildfire wiped out nearly all the trees in the valley.
2. The rain damaged a few leaves.
3. Maya wiped the dust off the shelf.

哪句话最清楚地表示整个群体因其成员死亡而消失？

1. The disease killed one insect in the colony.
2. The disease killed off the entire colony.
3. The disease damaged the colony's shelter.

阅读这两个英文句子：They have survived for millions of years. But they're not invincible. 第二句起什么作用？

1. 它把重点从长期存活转向它们仍然面临的危险。
2. 它又补充了一个证明它们强大的例子。
3. 它表示人类已经在一场比赛中击败了它们。

用上面学到的研究报道框架完成句子：____ regular reading builds vocabulary.

用 have + 宾语 + 过去分词结构完成句子：The bird remained calm in the process of ____ its damaged wing ____.

用本讲中的证据报告动词完成这句谨慎的研究表述：Recent research ____ the treatment may reduce pain.

哪句话正确使用了 observe + 宾语 + -ing 来报告正在进行或反复出现的行为？

1. Scientists observed fewer birds returning to the wetland.
2. Scientists observed that fewer birds returning to the wetland.
3. Scientists observed fewer birds returned to the wetland.

用 extend beyond 的正确形式完成句子：The effects of the storm ____ the coast.

在这句话中，coastal development 是什么意思？

1. 海岸随时间自然生长
2. 沿海地区的建设和施工
3. 动物繁殖能力得到提升

用本课表示“用于吸引鱼的材料”的两个词短语完成句子：The worms are sold as ____.

用高亮表达完成句子：____ regular sleep improves concentration.

哪个句子中的 synthesize 与例句一样，表示通过科学方法制造物质？

1. The reviewer synthesized evidence from five studies into one explanation.
2. The assistant summarized the laboratory schedule in an email.
3. Chemists synthesized a new polymer from plant-based materials.

用 be unlikely to 完成句子：Because of the heavy snow, the school bus is ____ arrive on time.

例句中的 a synthetic alternative 是什么意思？

1. 一种虚假且不可信的说法
2. 一种只存在于自然界的古老材料
3. 一种人工制成的替代品

请用本课表示“终止依赖”的完整表达完成句子：New water-recycling systems could ____ imported water.