将沾有油渍的衣物放入洗衣机中,加水和适量洗涤剂,搅拌搓洗,油污被除去的原因是(

题型:选择题

问题:

将沾有油渍的衣物放入洗衣机中,加水和适量洗涤剂,搅拌搓洗,油污被除去的原因是(  )

A.加入洗涤剂后,使油滴溶于水

B.加入洗涤剂后,使油滴分散,稳定地乳化在水中

C.加入洗涤剂后,使油滴聚集,上浮分层

D.加入洗涤剂后,使油滴密度增大,下沉分层

考点:乳化和乳化作用
题型:选择题

丘吉尔曾说过:“斯大林是一个世上无出其右的最大的独裁者,他接过俄国时,俄国只有木犁,而当他撒手人寰时,俄国已拥有核武器。”发生达一变化的原因,主要是因为斯大林[ ]

A.适时实施了战时 * * 主义政策

B.适时实施了新经济政策

C.合理吸收了西方国家的经济建设经验

D.开创并实行了高度集中的政治经济体制

题型:选择题

下列各句中加点成语使用恰当的一项是

A.国民党 * * 连战一行抵达南京禄口机场,开始了中国国民党时隔半个世界的首次大陆之行。这是两岸同胞拍手称快的盛事。

B.重庆市云阳县各级领导积极做好三峡库区农村移民外迁工作,安土重迁,使移民高高兴兴地搬迁到新的家园。

C.今天“十一”国庆节,我去北京旅游,竟与五年不见的小学同学在故宫萍水相逢,真是太让人欣喜了。

D.中央有关部门派出的调研组调研题目非常丰富,从社会分配到福利制度,从民间组织到劳资关系……可谓包罗万象。

题型:选择题

沉淀反应形成的反应现象()

A.肉眼可见

B.肉眼不可见

C.必须用精密仪器测定

D.必须染色才可见

E.经电泳后可见

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What a difference Kathleen made in my college life! She was confident where I was shaky. She was disciplined while I was wild. She was responsible; I was lazy. We signed up for all of the same classes. I was so impressed with her. She worked with incredible diligence and with such self-assurance. I started to emulate her. I wanted to impress her.
One day the homework assignment was to create an exciting illustration based on a pair of shoes. I was bursting with ideas and ran home and pulled out my favorite pair of antique thrift shop "old-lady shoes." I concentrated and worked and sweated and created a self-perceived masterpiece !
I called Kathleen and bragged that I’d finished the assignment. "What !" she exclaimed. "How could you possibly be finished already " I was so pleased with myself that I asked her if I could run by her apartment and show her my stunning creation. "Sure," she said.
I raced down from my fifth-floor apartment, precious drawing in hand, and headed to her place. When I got there, I held up my paper with such glowing confidence, only to have my swelled cockiness crushed by Kathleen’s reaction:
"Is that the only drawing you did "
"Well, yes," I responded sheepishly. "Why "
"C’mon," she said. "It’s still nice out. Let’s go to Washington Square Park and really do some drawings." I was puzzled; but when she led, I willingly followed.
The whole way to the park, Kathleen animatedly talked about form, content, composition and really studying the subjects. She described the shoes in my drawing as the kind you see on the old women that sit in the park and feed pigeons. Her excitement was contagious,
When we got to the park, she surveyed the scene and chirped, "Over there!" She pointed to a bench that was surrounded by discarded, crumpled paper bags, soda cans and empty cigarette packs. An old woman sitting on the bench had fallen asleep. Kathleen handed me her drawing pad and said, "Here. Now, draw the shoes on that woman! Draw them over and over until you really know what they look like."
I drew and drew. I filled the sketchbook pages. They were the best I’d ever done thus far. Kathleen watched, and I felt fueled by my captive audience. I was showing off! It was such fun.
The next day was the class critique. I felt so proud hanging my drawing up on the wall for all to see. I knew I had drawn an illustration to be proud of. As the class discussion circled the room to my piece, I heard my fellow students say, sensitive, accurate, beautifully stylized. I looked over at Kathleen, and she gave me that wink and loving smile of hers. College was going to be a lot more fun with her around.
And it was. She continually inspired me, laughed with me, sketched with me and went out dancing with me. Our works of art were chosen for special exhibits, and we both made the dean’s list. We wore our caps and gowns together, and a few years later, I was "best woman" at her wedding. Whatever fears I had going into college about not being able to make new friends were gently washed away when I found my special, best friend.
After we obtained our BFA degrees, the world opened up for both of us. Now we are both successful self-employed artists. I work in my lovely Chelsea cooperative apartment that I bought five years ago as a freelance, illustrator, a graphic designer. Kathleen, a sculptor and mural painter. Oops! I gotta run. Kathleen and I are meeting for dinner and a movie.

Which of the following in Paragraph 12 is NOT true according to the speaker

A.They were both invited by the dean for dinner.

B.Their works were selected on display for the particular shows.

C.They often shared caps and wears with each other.

D.The speaker was invited to attend her friend’s wedding.

题型:选择题

风机后或水封逆止阀煤气爆炸泄漏如何处理?

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