题目内容
用适当的介词填空
①Plants react __________light.
②They reacted strongly ___________the unreasonable rule.
③Iron reacts_________ water and air to produce rust.
④Certain acids (酸)react_________ metals to lead to chemical changes
②They reacted strongly ___________the unreasonable rule.
③Iron reacts_________ water and air to produce rust.
④Certain acids (酸)react_________ metals to lead to chemical changes
①to ②against ③with ④on/upon
练习册系列答案
相关题目