为什么夏天T恤易掉色?

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问题:

为什么夏天T恤易掉色?

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现有A、B、C、D四种溶液,它们分别是AlCl3溶液、盐酸、氨水、Na2SO4溶液中的一种,已知A、B 溶液中水的电离程度相同,A、C溶液的PH相同,则下列说法正确的是:(   )

A.A为AlCl3溶液,C为盐酸

B.C中加入足量B反应的离子方程式为:Al3++3OH-=Al(OH)3↓      

C.A、B等体积混合后,溶液中各离子浓度由大到小的顺序为:

c(NH4+)>c(Cl-)>c(OH-)>c(H+

D.溶液中水的电离程度:A=B<C<D

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In 1995, Susan Boyle went to Glasgow to audition (试演) for My Kind of people, a televised talent show popular in the UK. She was immediately rejected. She was nervous during the audition, and felt she didn't perform well, but her brother said that she was rejected because of her plain looks. Boyle was not discouraged and continued to sing at church and at the karaoke nights in a local pub.

Boyle suffered a personal loss in 1997, when her father passed away. After his death. Boyle put her big dreams on hold to care for her sick mother Bridget Boyle. The mother and daughter often talked of Susan's possible fame. Bridget Boyle encouraged her daughter to take part in singing competitions. “She was the one who said I should enter Britain's Got Talent. We used to watch it together.” Susan later told reporters. “She thought I would win.”

In 1999, Boyle used all of her savings to pay for a professional demo (样本唱片) tape. which she sent to record companies. In 2002, Boyle began taking singing lessons from voice coach Fred O'Neil.

In 2007, Boyle's mother passed away at the age of 91. A neighbor reported that when Bridget Boyle died, her daughter “wouldn't come out for three or four days or answer the door or phone.” She lived alone with her cat, Pebbles. For over a year, she refused to sing. But in August of 2008, O'Neil urged her to try out for Britain's Got Talent. Convinced that the performance would be an honor to her mother, Boyle auditioned in Glasgow, Scotland. She sang I Dreamed A Dream in the first round of the show, which was aired on 11 April 2009.

The 47-year-old Scottish woman's plain looks provided a sharp contrast (对比) to her powerfully beautiful voice. The performance astonished the audience and the judges. Online videos of her performance totaled over 40 million views within a week. Although she failed to win the final of Britain's Got Talent, Susan Boyle became globally popular. Her first album I Dreamed A Dream has sold over five million copies.

小题1:Bridget Boyle's attitude towards her daughter's musical talent can be described as      .

A.critical

B.doubtful

C.indifferent

D.optimistic小题2:From Para. 4 we learn that Boyle      .

A.was slightly discouraged by her voice coach

B.entered Britain's Got Talent to prove her ability

C.decided to give up her singing career

D.was deeply affected by her mother's death小题3:Which of the following is TRUE about Susan Boyle?

A.Her international fame grew rapidly in 2008.

B.Her audition for My Kind of People failed.

C.She has never stopped singing since 1995.

D.She was the winner of Britain's Got Talent.小题4:In writing this passage, the author mainly intends to      .

A.tell us how Boyle's dream came true

B.let us know more about Boyle's personal life

C.show how Boyle was influenced by her family

D.explain how to enter and win a talent show

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按照我国《保险法》的规定,保险人收到被保险人或者受益人的赔偿或者给付保险金的请求后,对不属于保险责任的,保险人可以不予理睬

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简述受传者在传播过程中的重要地位。

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临床上最为常用的血液制品是()。

A.洗涤红细胞

B.红细胞悬液(添加剂红细胞)

C.浓缩白(粒)细胞

D.普通冰冻血浆

E.冷沉淀

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