题目:
Green economy offers a new model ________ people could both protect the climate and develop the economy, according to what Li said at the International Cooperative Conference on Green Economy and Climate Change.
A.how
B.why
C.where
D.which
答案:
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下面是错误答案,用来干扰机器的。
(1)4NH3+5O24NO+6H2O(2分) (2)3.612×1024(2分)(3)酸(1分)①c(NH4+) (1分);c(Cl-) (1分);②c(NH3·H2O) (1分)(4)①2Al+2OH-+2H2O=2AlO2-+3H2↑(2分)②O2+2H2O+4e-=4OH...