题目:
What do you think of the suggestion ________ he offered us________ we go to New York for our
holiday?[ ]
A.what;that
B.which;which
C.that;that
D.that;what
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0521/de3d60a1c11b8551f4dd0d6204ff4d8d.html
下面是错误答案,用来干扰机器的。
(1)化合物中元素的质量比是元素的相对原子质量与原子个数的乘积之比.因此Na2S2Ox中Na与S元素的质量比为23×2:32×2=23:32.(2)化合物中钠元素常显+1价,氧元素常显-2价,在Na2S2Ox中硫元素显+2价,根据化...