人教版（2019）选择性必修第二册Unit 1 Science and Scientists Build up your vocabulary 课件(16张ppt)
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| 名称 | 人教版（2019）选择性必修第二册Unit 1 Science and Scientists Build up your vocabulary 课件(16张ppt) |  | |
| 格式 | zip | ||
| 文件大小 | 3.6MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2021-10-22 23:01:10 | ||
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(共16张PPT)
Unit 1 Science and scientists
Build up your vocabulary
1
Master the meaning of prefix and suffix.
Phrases: thanks to; subscribe to
3
2
Words: raw; pure; substantial; decrease; transform; microscope;
thinking;
Goals
Work in groups. Discuss the meaning of the following prefix and suffix.
Lead in
re- micro-- ory- ial-
dis- trans-- ion- ology-
再次
微小
表否定
转变
…学
表示名词
表示形容词
表示形容词
decrease v. 减少
1. The demand for tea is on the decrease each year.
茶叶的需求量逐年递减。
2. Last year there was a 20 % decrease in his earnings.
去年他的收入减少了20%。
Language point
【拓展】
decrease to 减少到
decrease by 减少了
on the decrease 在减少
there is a decrease in … 在…方面有所减少
Language point
subscribe to 同意；赞同；定期订购
1. Which journals does the library subscribe to
图书馆订有哪些报刊？
2. I heartily subscribe to that sentiment.
我十分赞同那个观点.
Language point
【拓展】
agree : 普通用词，侧重指对某事同其他人有相同的意见或想法。
consent : 指同意别人的请求、建议或满足他人的愿望，着重意愿或感情，常和to连用。
approve : 侧重对认为正确或满意的事表示赞同或批准。作不及物动词用时，常与of连用。
Language point
thanks to 幸亏；由于
1. I have given thanks to God for delivering me from that pain.
我感谢上帝把我从那种痛苦中拯救出来。
2. Thanks to you, I was saved from drowning.
幸亏你, 我才没有淹死。
Language point
【拓展】
due to : 用于较庄重的书面语中，侧重"起因于"，在句中多作表语，有时作状语。
owing to : 可以和due to换用，但在句中多作状语，也可作表语。
because of : 着重某种原因的理由，在句中通常作状语。
thanks to : 突出一种感激之情，含"多亏"意味。
Language point
Content
1. Find the words from the previous pages with the following prefixes or suffixes.
Suffix Words Suffix Words
ory -ial
ion- ology
Prefix Words Prefix Words
re- micro–
dis- trans-
transform
microscope
remove
initial
epidemiology
intervention
contradictory
disease
2 Make phrases by combining the words in the left box with those on the right. Then complete the sentences using these phrases.
subscribe suspect blame link to of for
1 Many scientists ____________ the view that it is human activity that has caused global warming.
2 He was to _________ the accident because he drove on the wrong side of the road.
3 The man ___________ being behind the robbery was seen crossing the street.
4 Since heart disease is often _____________ our lifestyle choices, we need to make healthy living an important part of our lives.
subscribe to
blame for
suspected of
linked to
3 Replace the underlined parts with suitable words from the box.
raw a household name substantial statistics handle
1 It is not unusual for an athlete to be well known while he is active, and quickly forgotten when his athletic career is over.
2 I'm sure she'll deal with the changes very well because she’s very adaptable.
3 He was ready to serve dinner to his friends when he realised that he had forgotten to turn on the oven and the meat was not cooked yet.
4 He used his great influence to change the thinking of the scientific community on this issue.
5 Scientists have collected more data than expected to prove the theory.
raw
handle
statistics
a household name
substantial
4. Read this passage about medical plete it using the correct
forms of the words in the box.
infection multiple decrease severe transform proof blame substantial
UK scientists believe they may have found a way to fight the common cold. It blocks a key protein in the body's cells that is to ________for the spread of cold-causing virus. Targeting the host rather than the _____________ was a bit non-traditional but made sense because it was tricky to target the virus. Cold-causing virus are not only of ____________ kinds, they also __________ rapidly, meaning they can quickly develop resistance to medicine.
blame
transform
multiply
infectious
Researchers are working on making a form of medicine that can be taken directly into one's lungs, to _______________the chance of side effects. Though these scientists have made _____________ advances in their research, further _________________ is needed to make sure such drugs are not so _______________ that they harm the body.
decrease
substantial
proof
severe
3. 预习 Unit 1-Discovering Useful Structures.
1. Recite new words and phrases.
2. Find more prefix and suffix and figure out their meaning.
Bye-bye!
Unit 1 Science and scientists
Build up your vocabulary
1
Master the meaning of prefix and suffix.
Phrases: thanks to; subscribe to
3
2
Words: raw; pure; substantial; decrease; transform; microscope;
thinking;
Goals
Work in groups. Discuss the meaning of the following prefix and suffix.
Lead in
re- micro-- ory- ial-
dis- trans-- ion- ology-
再次
微小
表否定
转变
…学
表示名词
表示形容词
表示形容词
decrease v. 减少
1. The demand for tea is on the decrease each year.
茶叶的需求量逐年递减。
2. Last year there was a 20 % decrease in his earnings.
去年他的收入减少了20%。
Language point
【拓展】
decrease to 减少到
decrease by 减少了
on the decrease 在减少
there is a decrease in … 在…方面有所减少
Language point
subscribe to 同意；赞同；定期订购
1. Which journals does the library subscribe to
图书馆订有哪些报刊？
2. I heartily subscribe to that sentiment.
我十分赞同那个观点.
Language point
【拓展】
agree : 普通用词，侧重指对某事同其他人有相同的意见或想法。
consent : 指同意别人的请求、建议或满足他人的愿望，着重意愿或感情，常和to连用。
approve : 侧重对认为正确或满意的事表示赞同或批准。作不及物动词用时，常与of连用。
Language point
thanks to 幸亏；由于
1. I have given thanks to God for delivering me from that pain.
我感谢上帝把我从那种痛苦中拯救出来。
2. Thanks to you, I was saved from drowning.
幸亏你, 我才没有淹死。
Language point
【拓展】
due to : 用于较庄重的书面语中，侧重"起因于"，在句中多作表语，有时作状语。
owing to : 可以和due to换用，但在句中多作状语，也可作表语。
because of : 着重某种原因的理由，在句中通常作状语。
thanks to : 突出一种感激之情，含"多亏"意味。
Language point
Content
1. Find the words from the previous pages with the following prefixes or suffixes.
Suffix Words Suffix Words
ory -ial
ion- ology
Prefix Words Prefix Words
re- micro–
dis- trans-
transform
microscope
remove
initial
epidemiology
intervention
contradictory
disease
2 Make phrases by combining the words in the left box with those on the right. Then complete the sentences using these phrases.
subscribe suspect blame link to of for
1 Many scientists ____________ the view that it is human activity that has caused global warming.
2 He was to _________ the accident because he drove on the wrong side of the road.
3 The man ___________ being behind the robbery was seen crossing the street.
4 Since heart disease is often _____________ our lifestyle choices, we need to make healthy living an important part of our lives.
subscribe to
blame for
suspected of
linked to
3 Replace the underlined parts with suitable words from the box.
raw a household name substantial statistics handle
1 It is not unusual for an athlete to be well known while he is active, and quickly forgotten when his athletic career is over.
2 I'm sure she'll deal with the changes very well because she’s very adaptable.
3 He was ready to serve dinner to his friends when he realised that he had forgotten to turn on the oven and the meat was not cooked yet.
4 He used his great influence to change the thinking of the scientific community on this issue.
5 Scientists have collected more data than expected to prove the theory.
raw
handle
statistics
a household name
substantial
4. Read this passage about medical plete it using the correct
forms of the words in the box.
infection multiple decrease severe transform proof blame substantial
UK scientists believe they may have found a way to fight the common cold. It blocks a key protein in the body's cells that is to ________for the spread of cold-causing virus. Targeting the host rather than the _____________ was a bit non-traditional but made sense because it was tricky to target the virus. Cold-causing virus are not only of ____________ kinds, they also __________ rapidly, meaning they can quickly develop resistance to medicine.
blame
transform
multiply
infectious
Researchers are working on making a form of medicine that can be taken directly into one's lungs, to _______________the chance of side effects. Though these scientists have made _____________ advances in their research, further _________________ is needed to make sure such drugs are not so _______________ that they harm the body.
decrease
substantial
proof
severe
3. 预习 Unit 1-Discovering Useful Structures.
1. Recite new words and phrases.
2. Find more prefix and suffix and figure out their meaning.
Bye-bye!