人教版（2019）选择性必修第二册 Unit 1 Science and Scientists Learning about language 课件（16张PPT）

(共16张PPT)
Unit 1
SCIENCE AND SCIENTISTS
To practice the vocabulary.
To learn to use predicative clauses.
To make sentences using predicative clauses.
Find the words from the previous pages with the following prefixes or suffixes. Then add two more words for each prefix or suffix, and explain their meanings.
Prefix Words Prefix Words
re- micro-
dis- trans-
reunite, revise, recover, react, recall
discover, disappear, dislike, disable
microscope,
microwave,
microphone
transform, transport, transplant
前缀 释义 单词
re- review
return
dis- disagree
micro- microscope
trans- transport
transnational
again
back
not
small
change
across, over, beyond
Suffix Words Suffix Words
-ory -ial
-ion -ology
contradictory, advisory,
compulsory
infection, contribution, extinction, reaction, congratulation, collection
substantial, official, financial, commercial
epidemiology, physiology, biology
后缀 释义 单词
-ory sensory
-ion collection
-ial beneficial
-ology sociology
of or relating to
action or process
having the characteristics of
a branch of knowledge
Make phrases by combining the words in the left box with those on the right. Then complete the sentences using these phrases.
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.
subscribe suspect blame link
subscribe to
blame for
to of for
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.
suspected of
linked to
subscribe suspect blame link
to of for
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.
Replace the underlined parts with suitable words from the box.
a household name
handle
raw, a household name, substantial, statistics, handle
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
substantial
statistics
raw, a household name, substantial, statistics, handle
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.
Read this passage about medical plete it using the words below.
blame
infection, multiple, decrease, severe,
transform, proof, blame, substantial
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. Researchers are working on making a form
infection
multiple
transform
infection, multiple, decrease, severe,
transform, proof, blame, substantial
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
infection, multiple, decrease, severe,
transform, proof, blame, substantial