沪教版四年级下册Unit 7 How do things change？课时练习2 Explore
试卷更新日期：2026-04-01 类型：同步测试
一、主题情境 Mike一家打算为“家庭趣味日”制作一些饮品和食物。Mike一边帮助大家一边还在练习英语口语。读一读，选出画线部分发音不同的选项。
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1. Mike一边帮助大家一边还在练习英语口语。读一读，选出画线部分发音不同的选项。(1)、A、great B、grape C、tree(2)、A、cream B、brush C、bread(3)、A、dress B、train C、drink(4)、A、play B、green C、grass(5)、A、fly B、fruit C、frog
二、Mike家的厨房里十分热闹，大家都做了哪些事情呢？选择正确单词补全句子或对话。
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2. Mike家的厨房里十分热闹，大家都做了哪些事情呢？选择正确单词补全句子或对话。(1)、Let's(make / makes)some orange juice.(2)、Can you(give / gives)me a plastic bag？(3)、My sister(mixes / is mixing)the sugar and cream now.(4)、—Mum，shall(me / I)wash the pot first？
—Sure！
(5)、—The freezer door(is open / open).—I close it.
三、午餐的时候妈妈给大家制作了一碗番茄鸡蛋汤。请读一读句子，给句子排序并选择相符的图片。
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3. 午餐的时候妈妈给大家制作了一碗番茄鸡蛋汤。请读一读句子，给句子排序并选择相符的图片。
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2 Add the tomatoes and water to the pot.And heat the mixture.
Now，add the eggs to the pot and mix them together.
First，wash the tomatoes and cut them.
Add a little salt and wait some minutes. Then you can have delicious soup.
Then，crack (打) two eggs into a bowl and beat(搅拌) them.
四、Mike的爸爸给孩子科普了一些生活中的小知识。阅读短文，判断句子正误。
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4. Mike的爸爸给孩子科普了一些生活中的小知识。阅读短文，判断句子正误。
When Mike and his family make ice cream，Dad puts salt and ice in the big bag.Mike asks，"Why？" Dad says，"It's science(科学)！"
Ice melts at 0℃.But when we add salt to ice，the salt lowers(降低) the freezing point of the ice.The ice around the bag gets even colder，maybe 10℃or lower！This super-cold ice mixture can take heat(热量) away from the cream mixture in the bag very quickly.So the cream mixture quickly freezes into ice cream.
We also use salt to speed up the melting of ice on roads in winter.
It makes the ice melt quickly so that cars can drive safely.Salt is very useful！
(1)、Salt makes ice melt at a higher temperature.(2)、The ice and salt mixture can get colder than 0℃.(3)、We also use salt to make ice on roads in winter.(4)、The passage is about why salt is used when making ice cream.
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