________ of the burden of ice, the balloon climbed up and drifted to the South.
A. to be free
B. Freed
C. Freeing
D. To free
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The ________ of radio waves came to a halt all of a sudden.
A. transportation
B. transfer
C. transmission
D. translation
The annual _______ of meat per capita is more than 20 kilometers.
A. assumption
B. resumption
C. consumption
D. presumption
When the air raid ________, all the American soldiers were in dream at the Pearl Harbor.
A. broke into
B. broke out
C. burst into
D. burst out
【担保制度】根据《担保法》,下列财产不能作为担保物的是( )。
A、厂房
B、可转让的专利权
C、生产原材料
D、公立幼儿园教育设施