A.limited government
B.personal responsibility
C.strong families
D.fight against terrorism
第8题
A、pasteurization
B、blanching
C、commercial sterilization
D、dehydration
第9题
[A]Because the Earth’s atmosphere can make ultraviolet light less harmful.
[B]Because ultraviolet can’t reach the Earth at all.
[C]Because the Earth is far away from those planets radiating ultraviolet light.
[D]Because other space places is near from those planets radiating ultravioletlight.
第10题
The invisible rays of the ______beyond the violet end are called the ultraviolet rays.
A.speculation
B.spectrum
C.sleet
D.range
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