Dried flower are made of __________materials by special processes.
A. planstic
B. natural
C. papery
D. bony
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Plant living fossil refers to the ______ plants which cease evolution and live up to now.
A. yang
B. ancient
C. big tree
D. old
Which flowers are called Gentlemans?
Azalea
B. Chrysanthemum
Camellia
D. Plum
E. orchid
_________________ is the father of hybrid rice in the world.
A. Mr Yuan Long-ping
B. Mr Mo Yan
C. Ms Wu Ming-zhu
D. Ms Tu You-you
Who first described the turning movement？
A. Darwin
B. Darwin and his son
C. Linnaeus
D. Linnaeus and his son
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