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【单选题】
. 各级各类学校的课程目标是相互关联的 , 不是 彼 此独立的 , 这主要体现了课程目标的 ( )A.
. 整体性
B.
. 递 进性
C.
. 层次性
D.
. 预 测性
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【简答题】What can be used to handle an oil spill?
【简答题】What can be used to clean up spilt oil in the of an oil spill?
【简答题】Crude oil must be and then can be used.
【单选题】Satellite tracking and remote communication systems can be used to
A.
reduce oil consumption.
B.
remove the obstacles on the road.
C.
call for help when one's car crashes.
D.
help drivers get out of a traffic jam.
【单选题】A lube oil filter can be used to remove most contaminants from lube oil. A contaminant which will remain in the lube oil after filtering is ____.
A.
acid
B.
fuel oil
C.
sediment
D.
water