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Unit 7 核心词汇学与练
Unit 7 Vocabulary Exercises
先学习
Part 1: Word Bank 优化版
（结合例句语境背记单词）
英文 中文注释 例句
meet up 集合；碰面 (phr.) We will meet up at the school gate before the trip.
museum 博物馆 (n.) The science museum has a new exhibition about space.
exhibition 展览 (n.) The exhibition shows how to remove germs from water.
direction 方向 (n.) Follow the direction signs to find the wastewater plant.
trip 旅行 (n.) Our class goes on a trip to learn about recycling.
wastewater 废水 (n.) Wastewater needs to be cleaned before flowing into rivers.
plant 工厂 (n.) The plant uses machines to process waste.
remove 去除 (v.) This filter can remove harmful germs from water.
piece 块；片 (n.) A piece of plastic waste was found in the river.
machine 机器 (n.) The machine breaks down waste into small pieces.
germ 细菌 (n.) Dirty water contains dangerous germs.
step 步骤 (n.) The first step is to separate different types of waste.
used to 过去常常 (phr.) People used to throw trash directly into the sea.
realize 意识到 (v.) Now we realize how important it is to protect the environment.
inside 在…里面 (prep.) Look inside the machine to see how it works.
助学短文
（读文章，结合语境，写出加粗词汇含义）
Last week, our class went on a trip to a wastewater plant. We met up early at school and followed the teacher’s directions to the factory. Inside, workers showed us machines that remove dirt and germs from water. "First, large pieces of waste are separated," they explained. "Then, special steps clean the water before it flows into the river."
Later, we visited a museum with an exhibition about pollution. The guide said: "People used to ignore dirty water, but now we realize its harm." This trip taught us to care for our planet – every small action helps!
英文原文 On Saturday morning, our team met up near the river for a clean-up trip. We found many pieces of plastic waste and old bottles. A worker explained: "This machine can remove dirt from wastewater and break big waste into small parts." Then, we visited a small exhibition about pollution. "People used to throw trash into rivers," said the guide. "Now we realize even small steps like recycling matter!"
中文翻译 周六早上，我们团队在河边集合，开始清洁之旅。我们发现许多塑料垃圾碎片和旧瓶子。一位工人解释：“这台机器可以去除****废水中的污垢，并将大块废物分解成小块。”接着，我们参观了一个关于污染的小型展览。导游说：“人们过去常常把垃圾扔进河里，现在我们意识到，即使是回收这样的小步骤也很重要！”
英文原文 Our science class went on a trip to a recycling plant. Inside, we saw machines cleaning wastewater and killing harmful germs. The teacher said: "Follow the directions – first, separate the waste; next, remove dangerous materials." Later, we met up at a museum to learn about pollution. An old photo showed how factories used to pollute rivers. "Now we realize clean water is precious," I wrote in my report.
中文翻译 我们的科学课去参观了一家回收工厂。在内部，我们看到机器清洗废水并杀死有害细菌。老师说：“按照指示——首先分类垃圾，然后去除危险材料。”之后，我们集合在博物馆学习污染知识。一张老照片显示工厂过去如何污染河流。“现在我们意识到净水是宝贵的。”我在报告中写道。
二、再练习
Unit 7 Leisure & Activities
Target Vocabulary: museum, exhibition, direction, wastewater, plant, machine, germ, step, remove, solid, process, recycle, research, project, laboratory, experiment, observe, result, analyze, report
Part 1: Basic Consolidation
Task 1: Technical Terms Matching
______ (n) dangerous microorganisms
______ (v) to take something away
______ (n) a place for scientific tests
A) germ B) remove C) laboratory
Task 2: Process Labeling
Label water treatment diagram:
______ solid waste
______ germs
______ clean water
Task 3: Vocabulary Network
Connect related words: museum ______ (exhibition/research) recycle ______ (process/machine)
Part 2: Contextual Application
Task 4: Lab Report Writing
Complete with experiment, observe, result: "Our ______ showed: when ______ chemical A, the ______ turned blue."
Task 5: Error Hunt
Find 5 errors in: "Researcher need remove germ from wastewater. The process include three steps: First, solid are removed. Second, add chemical. Third, analyse the result."
Task 6: Debate Preparation
Arguments for/against using machines vs plant in water treatment
Part 3: Comprehensive Extension
Task 7: Cross-Disciplinary Task
Calculate recycling rates (Math integration): "If City A removes 50 tons solid waste daily and recycles 30%, how much is recycled "
Task 8: Virtual Museum Tour
Design an exhibition poster using: direction, exhibition, project, observe
Reference
Part 1: Basic Consolidation
Task 1: Technical Terms Matching
A) germ
B) remove
C) laboratory
Task 2: Process Labeling
Remove
Kill
Release
Task 3: Vocabulary Network
museum exhibition
recycle process
Part 2: Contextual Application
Task 4: Lab Report Writing "Our experiment showed: when observing chemical A, the result turned blue."
Task 5: Error Hunt
Researcher → Researchers
need remove → need to remove
germ → germs
include → includes
analyse → analyze
Task 6: Debate Preparation For machines: "Machines process wastewater faster and reduce germs." For plants: "Natural plants are eco-friendly but require more research."
Part 3: Comprehensive Extension
Task 7: Recycling Calculation "50 tons × 30% = 15 tons recycled daily."
Task 8: Museum Poster "Exhibition: Ancient Water Systems
Direction: Hall 3, East Wing
Observe how projects transformed historical machines."

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