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《Using LanguageⅠ》集体备课PPT课件优质课下载
2.Owing to the rain,the football game was i
3. （准确）is the most important in translation.
4.Her （假设）proved to be wrong.
5.Can you a the structure of the sentence
for me?
tarvation.
nterrupted.
Accuracy
assumption
nalyze
StepⅡ Listening
yogurt pots
orange skin
wastepaper
used envelopes
The wastepaper basket
Task 1. Listen to Part 1 of the tape and try to understand “the wastepaper basket” diagram on the right and fill in the layers.
Wastepaper basket :
It is a way archaeologists use to date objects found in the ground .
It uses radioactivity to measure the amount of _______ in living things. The _______ in a dead body __________ at a ______ rate. We know how long that takes, so we can measure the amount of _______ and _________ how old a bone is.
carbon
carbon
disappears
fixed
carbon