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Carolyn had nine children, They wanted cookies. She decided to bake all those children some cookies. They were too noisy and maybe cookies would keep them quiet. She looked for her recipe book everywhere. She looked in the kitchen, in the bathroom, and in the den. It was not there. She thought for a minute and decided she might remember the recipe. She sifted 8 cups of flour, measured 5 cups of sugar, broke 7 eggs, and 9 teaspoons of vanilla. She mixed them all together in a bowl and made round cookies. She placed them on a cookie sheet. The oven was turned to 450 degrees. The children were running around everywhere wanting the cookies to get ready. The cookies began to smell. The oven door began to creep open. Carolyn heard strange noises coming from the oven. ZZZZZZZZZrppppppp! Pop! Bing! ZZZZZZZZZrppppppp! The oven door popped all the way open and cookie dough went on the ceiling, on the floor, on the counter, and on Carolyn. It was a big mess! Carolyn decided she must have used the wrong ingredients for the cookies! What were the nine children doing while Carolyn was baking cookies()

A. They were sleeping.
B. They were running around.
C. They were coloring pictures.

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Carolyn had nine children, They wanted cookies. She decided to bake all those children some cookies. They were too noisy and maybe cookies would keep them quiet. She looked for her recipe book everywhere. She looked in the kitchen, in the bathroom, and in the den. It was not there. She thought for a minute and decided she might remember the recipe. She sifted 8 cups of flour, measured 5 cups of sugar, broke 7 eggs, and 9 teaspoons of vanilla. She mixed them all together in a bowl and made round cookies. She placed them on a cookie sheet. The oven was turned to 450 degrees. The children were running around everywhere wanting the cookies to get ready. The cookies began to smell. The oven door began to creep open. Carolyn heard strange noises coming from the oven. ZZZZZZZZZrppppppp! Pop! Bing! ZZZZZZZZZrppppppp! The oven door popped all the way open and cookie dough went on the ceiling, on the floor, on the counter, and on Carolyn. It was a big mess! Carolyn decided she must have used the wrong ingredients for the cookies! Why did Carolyn try to remember the recipe()

A. She lost the recipe book.
B. She left it outside.
C. The children stole the book.

用样本均数估计总体均数时,考虑到存在抽样误差,故常采用区间估计。关于总体均数的95%的可信区间的叙述正确的是

A. 99%的可信区间比95%的可信区间更好
B. 在可信度确定后;可信区间长度就确定了
C. 对小样本资料,95%可信区间的计算公式为:X±t0.05,(n-1)5/√n
D. 对小样本资料,95%可信区间的计算公式为:X±1.96s/√n
E. 对任何样本资料,95%可信区间的计算公式均为:X±t0.05,(n-1)s/√n

Bombing shakes the peace process in Northern Ireland. A home video camera got the scene, moments after the worst single attack in thirty years of conflict(冲突)in Northern Ireland. Hundreds of people were affected by the bombing, some lying in the streets, others clearly in a state of shock. 28 people died in this cruel attack, 220 more injured. Some people got away with wound, many others had [heir arms and legs removed ensuring they’ll live with the memory of this bombing for the rest of their lives. The people behind this car bomb obviously wanted to kill as many as people as possible. "Why in the name of killing innocent Saturday shoppers" What purpose is it going to serve.’ This vicious(恶毒的)attack threatens the fragile peace process."The peace process is not necessary. We ought to save the lives of the people. That’s what are needed to do." But the biggest supporter of peace for Northern Ireland, says now is the time to send a message to the terrorists(恐怖分子)behind the attack.Tony Blair: "That these people will not win; that they will not destroy the process that we have built up; that they will not succeed in returning Northern Ireland to the past. There is a future for Northern Ireland. We have to carry on, trying to give people and the children of Northern Ireland the future they need and they deserve.\ In this passage the words "innocent people" mean()

A. people who did nothing wrong
B. people who went shopping
C. people who wanted to hold back the peace process
D. people who planned the car bombing

When I was young, bedtime was always my favourite part of the day. Wearing soft pajamas and with Tom, my stuffed monkey, in my arms, I felt no pressure at all.I named Tom after my uncle when I compared Tom’s long arms and legs to his. One night I ran up to Uncle Tom at a family party and told him I had named my monkey after him. His eyebrows wrinkled in confusion, then a chuckle (咯吱笑) escaped his lips. I guessed he didn’t understand how important it was to me.Even if Uncle Tom didn’t think my monkey was special, I certainly did. I dressed him in a white baby nightgown. My mother thought that Tom was the best-dressed stuffed animal in the world.Yes, he was certainly a fashionable creature. The strong cologne (科隆香水) I used on him years ago made him still smell "pretty".For a long time, Tom went everywhere with me. He was my best friend, and I told him everything. But when I turned twelve, I realized I was too old for stuffed animals. I thought people would think I was babyish, so I put him in the cupboard with the rest of my teddy bears and dolls. I begged him to understand why I was doing this, but at the same time I longed to talk to him again.It took me several years to realize that it was OK to miss Tom. I know now that maturity (成熟) doesn’t only mean growing up and taking on more responsibility. It also means holding on to your childhood and acting young sometimes. The writer loved Monkey Tom deeply because()

A. he could understand her
B. he was a fashionable monkey
C. he could talk with her
D. he was her most honest listener

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