你能帮帮他们吗
精彩回答
瓦斯爆炸时发生的主要反应为:CH4+2O2→CO2+2H2O,此反应属于 [ ]
1年前
The professor requested that all the students ________ the reports at once.
1年前
To improve the quality of our products, we asked for suggestions______ had used the products. [ ]
1年前
中国和日本交往的历史悠久。赠给日本倭奴国一枚“汉委奴国王”金印的中国皇帝是 [ ]
1年前
找出并解释下列句中词类活用的词。 (1)负势竞上________________ (2)互相轩邈________________
1年前