题目

用括号内所给词的适当形式填空。【1】Jim likes music and he wants to be a __________ (piano) when he grows up.【2】I strongly believe that nothing is ___________ (possible) if you put your heart into it.【3】Cindy made a __________ (week) plan to improve her grades.【4】My parents bought me some gifts but nothing for ____________ (they) during the vacation.【5】I think Harry Potter is one of ___________(interesting) books I’ve ever read.在8NH3+3Cl2═N2+6NH4Cl反应中，有21.3克氯气参加了反应，则被氧化的NH3的质量是（ ）A．13.6克B．10.2克C．34克D．3.4克