您还没有登录,登录以后才可以查看答疑和进行提问。
1
评分
1
浏览
老师,A为什么正确,不是开头说在1970前就已经被关注了吗。后面也没有时间转折,这些事不就应该是1970前发生的吗
最热提问
-
Of the following, which is closest to the percenta......
-
If$$r=\frac{4s}{5},$$, what is the value of$$\frac......
-
(3x -4y)(3x + 4y) = 2Quantity A$$9x^{2}-16y^{2}$$Q......
-
The councilman was a highly respected, even (i)___......
-
Within the field of emotional intelligence researc......
-
Flash floods are common in desert regions and were......
-
Analysis for the structural feather that were thou......
-
The journey to (i)_____, when it starts from a van......