现有室温下四种溶液,有关叙述不正确的是( ) 序号①②③④ pH111133 溶液氨水氢氧化钠溶液醋酸盐酸 A.③④中分别加入适量的醋酸钠晶体后,两溶液的pH均增大 B.②③两溶液等体积混合,所得溶液中c(H+)>c(OH-) C.分别加水稀释10倍,四种溶液的pH ①>②>④>③ D.V1 L ④与V2 L ①混合,若混合后溶液pH=7,则V1< V2
Thousands of foreigners were ________ to the Shanghai World Expo the day it opened.
[ ]
A.
attended
B.
attained
C.
attracted
D.
attached