A:向c(SO42-)=1.05×10-5mol/L的BaSO4溶液中加入BaSO4固体,c(SO42-)增大
B:向该饱和溶液中加入Ba(NO3)2固体,则BaSO4的溶度积常数增大
C:向该饱和溶液中加入Na2SO4固体,则该溶液中c(Ba2+)>c(SO42-)
D:向该饱和溶液中加入BaCl2固体,则该溶液中c(SO42-)减小
辛亥革命前,没有辫子会被耻笑为里通外国的汉奸;辛亥革命后,留辫子会被人耻笑为封建余孽,耻笑为“猪尾巴”、“满奴”。这说明( )
A.信息归纳
阅读短文内容。根据所提供的信息,完成信息卡内容。
I am Lily,a student in Beijing.I am fifteen years old.My birthday is on July 6th.I like volleyball very much.I play volleyball with my friends after school.My mother is 42 years old.Her birthday is in June.She is an English teacher in a middle school.My father is 45 years old.His birthday is in October.He likes playing basketball.He can play it very well.
Bill is my pen friend from the US.He is sixteen years old.His birthday is on March 8th.He likes Soccer and baseball.He likes ice-cream very much.He eats it every day.Bill always helps me with my English.I like him very much.
Information Card
When is Lily's birthday?
Her birthday is on ____.
How old is Lily's mother?
She is ____years old.
What sports does Lily's father like?
He likes ____.
Who is Bill?
He is Lily's ____.
What food does Bill like?
根据拼音写出相应的词语。
①八年来我一直有病,而且我的心里一直牢记着母亲叫我不要冒险的xùn jiè____。
②这是某种令人惊骇而不知名的杰作,在不可名状的chén xī 中依稀可见____。
③就会看到它们拼合得多么tiān yī wú fèng____。
④从我丈夫的温和沉静的性格中,我shòu yì fěi qiǎn____。
全国性抗日战争爆发的标志是( )
如图1所示,是小明同学连接的测电阻R的电路.