【单选题】—Do you know ___________? —To meet her friends from America.
B.
who is Anna’s best friend
C.
how Anna goes to the airport
D.
why Anna is going to the airport
【单选题】在t1°C时,将等质量的硝酸钾和氯化钾分别加入到各盛有100g水的两个烧杯中,充分搅拌后现象如图甲所示,硝酸钾和氯化钾的溶解度曲线如图乙所示。下列说法错误的是( )
【单选题】did Anna's husband ride an elephant or her son ride an elephant ?
【单选题】Anna ran off quickly when she saw a big dog walking _______ her.
【单选题】Why does Anna hate her mother?
A.
Because he gave Anna tattoo.
B.
Because she gave Anna's fish tattoo.
C.
Because she only cares about herself and how to be a fashion hipster.
D.
Because she is not Anna's biologic mother.
【简答题】I saw her while l was shopping. I saw her _____ _____.
【单选题】Tom and Anna are her . [ ]
【简答题】硝酸钾、氯化钠两种物质的溶解度曲线如图所示。 ( 1 ) 20 °C时,将 35g 的硝酸钾加入 100g 的水中充分溶解后所得溶液 _______ (填 “ 是 ” 或 “ 否 ” )达到饱和。 ( 2 )从海水中得到食盐晶体,采用的结晶方法是 ____________ ( 3 )将 40 °C的硝酸钾饱和溶液 163.9g 降温至 20 °C,可析出晶体 ____________ g 。 ( ...