Week 4

I. Activity one

Site: NetAcademy 2

Key words learned:
spur = to make something happen faster or sooner
mining = the process of getting coal and other minerals from under the ground（鉱業）
petrol =  a liquid obtained from petroleum, used as fuel in car engines, etc.
take over = to replace something
owing to = because of

Comments: effective

Time spent doing activity:90