题目内容

水果的营养价值比蔬菜高,而野生蔬菜和野生水果的营养素含量又比栽培蔬菜和水果高。

A. 正确
B. 错误

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In the event of the cylinder starting valve leakage () would pass into the air pipes and ignite the oil deposited.

A. cooling water
B. vapor from the boiler
C. starting air
D. hot gase

翻译程序

什么是要约邀请?

校正稿件的错误有哪些基本方法?

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