单项选择题

The respiration of living things and the food production of plants are ______.

A．separate processes
B．complementary
C．opposite
D．interdependent

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单项选择题

I don't understand Japanese, so can you show me the ______ instructions in Chinese

A．instantaneous
B．provocative
C．verbal
D．dual

问答题

表达自己对晚交论文一事的歉意。2．说明未能按时交论文的原因。3．表示自己将尽快把论文补交上并表示以后将按时交作业。A Letter of Apology

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