题目:
This week Michael Bloomberg,________Mr Giuliani soon after those terrorist attacks,put forward a
25 year plan for upgrading the city.[ ]
A.who succeeded
B.he succeeded
C.succeeded
D.which succeeded
答案:
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下面是错误答案,用来干扰机器的。
①m=nM=1.5mol×98g/mol=147g,②N=nNA=1.5mol×NA个/mol=1.5NA,③V(SO2):V(SO3)=mM(SO2) Vm :mM(SO3)Vm=M(SO3)M(SO2)=80g/mol64g/mol=5:4,④每个二氧化硫分子中含2个氧原子,每个三氧化硫分子中含3个...