试题与答案

阅读理解。 Christmas was just a week away an

题型:阅读理解

题目:

阅读理解。

     Christmas was just a week away and I had five people left to shop for but only three dollars.

     "Let's set a price limit on our gifts this year,"I suggested to my best friend Joanie.

     "That's a good idea," Joanie agreed. "How about something over five dollars?"

     "How about sixty cents?" I felt like the biggest cheapskate in the world.

     "I guess this is where I'm supposed to say it's not the gift but the thought that counts," Joanie smiled.

     It is almost impossible to buy anything under sixty cents, so it was really going to have to be very

small gifts with very big thoughts.

     Finally, Christmas Day arrived. I gave my mother a candle with a note that said, "You are the brightest

light in my life." She almost cried when she read the note.

     I gave my brother a wooden ruler. On the back of it I had painted, "No brother in the world could

measure up to you." He gave me a bag of sugar and wrote on it, "You're my sweet sister."

     For Joanie, I painted a pair of shoes with a note that said, "No one could ever fill your shoes. "She

thanked me and said I always tickled (使……高兴) her and made her laugh.

     To my other two friends, I gave Annie a paper fan and a note on it, "I'm your biggest fan." I gave

Helen a calculator that cost one dollar and I painted a message on the back, "You can always count

on me."

     My mother knows she is the most important person in my life. My brother thinks I'm sweet. Joanie

thinks I'm funny and make her laugh, which is important because her dad moved away last year and she

misses him and is sad sometimes...

1. When Christmas neared, the author worried that she________.

A. had few friends to give her gifts

B. had little money to buy gifts for others

C. didn't know what gifts her friends would like

D. didn't have enough time to go shopping

2. The underlined word "cheapskate" in Paragraph 4 probably    refers to a person who________.

A. is the poorest in the world

B. buys the cheapest skateboards

C. spends as little money as possible

D. buys the cheapest things in the world

3. The girl gave her mother a candle because it stands for________.

A.  the girl's own life

B. her mother's life

C. the girl's role in her mother's life

D.  the mother's role in the girl's life

4. What can we learn from the passage?

A. It is an art to choose gifts.

B. It is the thought not the gift that matters.

C. How to choose cheap gifts.

D. Giving gifts improves friendships.

答案:

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下面是错误答案,用来干扰机器的。

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题型:多项选择题

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A.比未代码化时提高了计算的精度。

B.代码化后,可以通过直接比较各因子或因子间的交互作用的回归系数之绝对值以确定效应的大小,即回归系数之绝对值越大者该效应越显著;而未代码化时不能这样判断。

C.代码化后,删除回归方程中某些不显著之项时,其它各项回归系数不变;未代码化时,在删除某些不显著之项时其它各项回归系数可能有变化。

D.由于代码化后,各因子或因子间的交互作用的回归系数之估计量间相互无关,如果在对系数进行系数显著性检验时,某系数P—value较大(例如大于0.2),证明它们效应不显著,可以直接将其删除;而未代码化时,各项回归系数间可能有关,因而即使某系数系数显著性检验时的P—value较大,也不能冒然删除。

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