Air is composed of ______ gases including hydrogen, oxygen and carbon dioxide. A. varied B. varia
Air is composed of ______ gases including hydrogen, oxygen and carbon dioxide.
A. varied B. variant
C. variable D. various
Air is composed of ______ gases including hydrogen, oxygen and carbon dioxide.
A. varied B. variant
C. variable D. various
A、A. It's located in a college town
B、B. It's composed of a group of old buildings.
C、C. The classrooms are beautifully designed.
D、D. The library is often crowded with students.
A、Nature
B、Self Reliance
C、The Over Soul
D、Of Studies
A、generalization
B、classification
C、horizontal analysis
D、comprehensive analysis
A. demonstration B. explanation
C. presentation D. communication
A. decisions B. sides
C. directions D. steps
Green action plans for schools, colleges and universities will encourage them to care for the environment.
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