在有酸碱参与的氧化还原反应,可以用φθ来判断反应进行的方向。
查看答案
HgS 溶解在王水中是由于氧化还原反应和配合反应共同作用的结果。
A. 对
B. 错
Peter _______ me _______ him a new notebook.
A. tells; buy
B. told; to buy
C. told; bought
D. tells; buying
I live near their hotel, so they _______ me _______.
A. asked; pick them up
B. asked; to pick them up
C. ask; pick up them
D. ask; to pick up them
I hadn’t had my breakfast, so I _______ my secretary _______ me a coffee and a hamburger.
A. tell; order
B. tell; to order
C. told; order
D. told; to order
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