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磁悬浮列车
n.技术
Do you know it ?
China is one of the first countries in the world to use biogas technology .
沼气
1b Read 1a and match the words with the pictures on Page 48.
A. acid rain B. nuclear energy C. biogas
A
C
B
adj.原子核的，
原子能的
酸雨
1c Read 1a again and complete the table.
Item
Advantage
Disadvantage
biogas
electric vehicle
maglev train
renewable
long process and high cost for its building
save energy,
no pollution
too small to hold many people
quiet, quick, energy-efficient, no pollution
much more expensive than traditional steel railways
Micro Course
Exercise
1.—Would you like to come to dinner tonight?