外研版（2019）选择性必修第二册 Unit1 Science and scientists Learning About language Build up your vocabulary课件(共1

(共11张PPT)
Learning about Language
Build up your vocabulary
1.How can we remember such a long word
Word Formation
肺尘病
pneumono- : of lung 肺的
ultra- : to an extreme degree 非常
micro- : small 微小的
scopic- : of viewing or observing 观察或注意的
silico- : of silicon 硅的
volcano- : mountain that releases lava and ash 火山的
coni- : of dust 尘土的
-osis : state of a disease 疾病
Using Affix
2.Find words with the following prefixes or suffixes.
Prefix Suffix
re- -ory
sis- -ion
micro- -ial
trans- -ology
mis- -al
un- -or
multi- -ist
retell
recycle
dislike
microsoft
microphone
transform
transport
misunderstand
unhappy
misleading
unlike
multiple
multinational
disappoint
satisfactory
contradictory
invention
beneficial
official
biology
geology
natural
inventor
factual
actor
biologist
scientist
action
Affix Meaning Examples Change
prefix re-
dis-
micro-
trans-
again
not
small
complete change;
through,across
reunit,revise,recover,react,recall
discover,disappear,dislike,disable
microscope,microwave,microphone
transform,transplant,transport
meaning
suffix -ory
-ion
-ial
-ology
of or relating to
action or process
having the characteristics of
a branch of knowledge
contradictory,advisory,compulsory
injection,contribution,reaction,extinction,
congratulation,collection
substantial,official,financial,commercial
epidemiology,biology,sociology
part of speech
3.Summarise some prefixes or suffixes.
1.Circle the verbs and find the preposition that can go with them as many as possible.
die of
suspect ... of ...
blame for
link…to…
subscribe to
Words and phrases
focus on
smile at
excuse... for
consist of
defend...from
appeal to
succeed in
... ...
2.Match the meanings with the phrases in sentences.
3.Complete the sentences with the following 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.
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 suspect sb of sth blame… for sth link sth to sth
subscribe to
blame for
suspected of
linked to
4.Replace the underlined parts with suitable words from the box.
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 realized 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 a household name substantial statistics handle
raw
statistics
substantial
handle
a household name
5.Read this passage about medical plete it using the words below.
infection multiple decrease severe transform proof blame substantial
British scientists believe they may have found a way to fight the common cold. It blocks a key protein in the body cells that is to _________ for the spread of cold-causing virus. Targeting he host rather than _________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 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.
blame
infection
multiple
transform
decrease
substantial
proof
severe
Consolidation
1.Encourage Ss to use mindmap to group words and expressions in the unit.
2.Examples for grouping words and expressions.