【简答题】We are in favor of ____________ (competition) openly and justly for that position.
【单选题】【辅】 对快速型心律失常和高血压均有效的药物是
【单选题】We are all in favor of your proposal that the discussion ______ .
【单选题】We are in favor of you proposal that the meeting ______.
【简答题】土壤中汞主要存在形态有哪些?其迁移转化主要受哪些因素影响?