____________(meaning)easily broken or damage.
A. lesson
B. course
C. fragile
D. harvest
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____________(meaning)connected with the sea and the creatures and plants that live there.
A. trade
B. marine
C. creature
D. excursion
____________(meaning)to have or own sth.
A. behave
B. control
C. possess
D. charge
____、____、____构成了客观世界的三大要素。
____指人们有效运用信息和知识的能力,通常指富有洞察力的知识。能够预见一些事情的发生并采取相应的行动。