八年级下册英语校本作业

【八年级科学校本作业】之溶液 姓名 学号

1. 将下列物质放入水中，不能形成溶液的是 （ ） A.食盐 B.味精 C.蔗糖 D.花生油

2． 洗衣机减轻了人们的劳动强度。下列说法中正确的是 （ ） A．洗涤剂加水稀释后溶质质量分数变大 B．洗涤后衣服上一定没有残留洗涤剂 C．洗涤后排出的液体一定是溶液 D．洗涤时适当提高水温能加快洗衣粉溶解 3.小明从冰箱冷藏室（温度为4℃）取出一杯4℃的澄清石灰水，盖上杯盖，在室温(温度为20℃)下放置一段时间后，发现杯底有少量晶体析出。下列说法错误的是（ ）

A．室温时该石灰水溶液一定是饱和溶液 B．4℃时该石灰水溶液可能是不饱和溶液 C．氢氧化钙的溶解度随温度升高而增大

D．该石灰水4℃时溶液中溶质的质量分数大于室温时溶液中溶质的质量分数 4、20℃时，NaCl溶解于水的实验数据如下表。则下列叙述正确的是 A．②中所得溶液

【八年级科学校本作业】之溶液 姓名 学号

1. 将下列物质放入水中，不能形成溶液的是 （ ） A.食盐 B.味精 C.蔗糖 D.花生油

2． 洗衣机减轻了人们的劳动强度。下列说法中正确的是 （ ） A．洗涤剂加水稀释后溶质质量分数变大 B．洗涤后衣服上一定没有残留洗涤剂 C．洗涤后排出的液体一定是溶液 D．洗涤时适当提高水温能加快洗衣粉溶解 3.小明从冰箱冷藏室（温度为4℃）取出一杯4℃的澄清石灰水，盖上杯盖，在室温(温度为20℃)下放置一段时间后，发现杯底有少量晶体析出。下列说法错误的是（ ）

A．室温时该石灰水溶液一定是饱和溶液 B．4℃时该石灰水溶液可能是不饱和溶液 C．氢氧化钙的溶解度随温度升高而增大

D．该石灰水4℃时溶液中溶质的质量分数大于室温时溶液中溶质的质量分数 4、20℃时，NaCl溶解于水的实验数据如下表。则下列叙述正确的是 A．②中所得溶液

八年级英语下册M5听说课说课稿

各位领导、老师好！

今天我要为大家讲的课题是: “It’s time to watch a cartoon”.我将从六个方面进行说课分析：教材分析、学情分析、教法分析、教学程序、板书设计、教学反思。 一、教材分析

1.说教材所处的地位和内容

我说课的内容是外研版新标准英语八年级下册Module 5 Cartoons Unit 1 It’s time to watch a cartoon，由于学生对这一话题极感兴趣，我在教学中准备使用多种教学手段设置情景，有效地把单词和句型情景相结合，注重听说训练，使语言点的训练密切联系生活实际，达到灵活运用，学以致用的目的。 2.说教学目标：

1.知识目标：能理解、内化、运用以下生词：cartoon，handsome，smart，fight，cool，hero，

can’t help doing sth, laugh；能够运用所学句子谈论并掌握表达自己最喜欢的卡通故事及人物

2.能力目标：能用本课所学语言讨论有关卡通故事和人物的信息。 3.情感目标：能够就卡通故事或卡通人物进行交流尊重他人的态度，倾听他人的不同意见；

通过卡通故事了解不同国家的文化。

3.说教学重难点:

1.重点

Unit 2

今年我市深入开展了“学习雷锋精神，共创文明城区”的活动。在3月5日学雷锋纪念日这天，你校组织志愿者去敬老院开展“学雷锋，送温暖”活动，假如你是学生张华，请你将活动介绍给美国朋友Ben，与他分享你的美好经历不少于80词。提示如下：

活动时间：3月5日 活动地点：敬老院 参加人员：学校志愿者

活动形式：送去鲜花和水果；帮助打扫卫生；陪老人聊天、唱歌、跳舞等。 活动感受：关爱、尊重老人(respect) 开头、结尾已给出，不计入词数。 Dear Ben, Thank you for your last e-mail. Let me tell you what we did on 5th March in our school. We, the volunteers went to the old people’s home and did many things there.

When the old people saw us, they were very happy. We gave them lots of flowers and fruit. We did cleaning for them. After that we

八年级下册英语作文范文

八年级下册英语作文：关于旅游的范文

Last summer, my family and I went to Hawaii for a holiday!

We flew across the Pacific to the tiny island from Beijing. After we booked into a hotel, we rested. Our fun started the next day and lasted for two long weeks. During our time there, we ate delicious exotic food and drank numerous fruit juices. The Hawaiians are very proud of their unique food, often 'spiced up' with slices of juicy pineapple and strings of delicious cheese. There were also fantastic beaches right accoss the

仁爱英语八年级下册复习教案

Unit 5 Feeling Happy

Topic1 Why all the smiling faces?

1. How are you doing?=How are you? 你好吗？

2 .invite sb. to do sth= ask sb. to do邀请某人做某事

3. prepare for sth准备某事（准备时间较长思想上的准备）：prepare for the exam sth for sb.为某人准备…：prepare food for Lily

to do sh准备做…：I prepare to go hiking.

4.say sth to sb.对某人说….： say thanks/hello/goodbye to Peter

5.系动词+adj. 系表结构

① be (am/is/are/was/were)

② 感官v.(feel, look, sound, taste品尝，smell闻、嗅)

③ 四变化(turn/become/go/ get) *turn侧指颜色变化

④ keep, make

6. Why all the smiling fa

一、

Betty and KittyBetty and Kitty are twins. They’re 12 years old. They look the same. But they have different hobbies. Betty likes collecting stamps. She has many beautiful stamps. They’re from different cities and countries. But Kitty likes growing flowers. The flowers are all very beautiful.Betty and Kitty both like reading books. Betty likes reading storybooks. But Kitty likes reading science books.On Sunday, they usually ride bikes to the park. They can play with their friends there. Sometimes their parents go there, to

仁爱英语八年级下册复习教案

Unit 5 Feeling Happy

Topic1 Why all the smiling faces?

1. How are you doing?=How are you? 你好吗？

2 .invite sb. to do sth= ask sb. to do邀请某人做某事

3. prepare for sth准备某事（准备时间较长思想上的准备）：prepare for the exam sth for sb.为某人准备…：prepare food for Lily

to do sh准备做…：I prepare to go hiking.

4.say sth to sb.对某人说….： say thanks/hello/goodbye to Peter

5.系动词+adj. 系表结构

① be (am/is/are/was/were)

② 感官v.(feel, look, sound, taste品尝，smell闻、嗅)

③ 四变化(turn/become/go/ get) *turn侧指颜色变化

④ keep, make

6. Why all the smiling fa

Unit 2

今年我市深入开展了“学习雷锋精神，共创文明城区”的活动。在3月5日学雷锋纪念日这天，你校组织志愿者去敬老院开展“学雷锋，送温暖”活动，假如你是学生张华，请你将活动介绍给美国朋友Ben，与他分享你的美好经历不少于80词。提示如下：

活动时间：3月5日 活动地点：敬老院 参加人员：学校志愿者

活动形式：送去鲜花和水果；帮助打扫卫生；陪老人聊天、唱歌、跳舞等。 活动感受：关爱、尊重老人(respect) 开头、结尾已给出，不计入词数。 Dear Ben, Thank you for your last e-mail. Let me tell you what we did on 5th March in our school. We, the volunteers went to the old people’s home and did many things there.

When the old people saw us, they were very happy. We gave them lots of flowers and fruit. We did cleaning for them. After that we

仁爱版八年级下册单元话题测试题Unit 5 Topic 1

Ⅰ. 单项选择。

( )1. —You’re wrong. You should say sorry to him. —____ A. Yes. I should. B. OK. I will. C. OK. I should. D. No, I won’t. ( )2. —Mike felt sad because he failed his exam yesterday. —I’m sorry to hear that. Let’s ____. A. cheer him on B. cheer on him C. cheer him up D. cheer up him ( )3. Some children were skating on the ice happily. Suddenly one of them ____ the water and

the other children felt ____.

A. falls into; frightening B. fell into; frightened C. fall into; fri