Who our door? [ ]A. beat B. hit C. knock at D. break 题目和参考答案——青夏教育精英家教网—

One day, my English teacher asked me to help her save back-up（备份） copies of her work in the computer. I then realized I was able to know the grades of all of her students. I   1  her how to copy files（文件） from one disk to another and she thanked me.
A few days later, she asked me to help her again, because she   2  how to do it. When I showed it to her, some students in my class   3  and began to talk among themselves   4  .Later that day, at lunch time, several of them came up to me.
“Hey, could you help us change our grades? We’ll   5  for it.”
I could not believe what I heard. I could get paid for something very   6 . “All right. I’ll do it.” The next day, my English teacher   7  me to help him out again. When he was not paying   8  , I changed their grades from Fs to As.
I soon became very   9  among my friends. They began to treat me like God who could do   10 . Word spread quickly and I became very rich.
Everything was going fine   11  I was called into the headmaster’s office. When I got there, both of my teacher and the headmaster were very angry. “ I don’t want to   12  what your teacher said, but I have to. She has too much evidence(证据),’’ the headmaster said. “Do you have anything to say for yourself?”
“No,” I said finally. I didn’t realize how   13  my behavior had been. I had disappointed my teacher and the headmaster. And there was no way   14 . I had to leave my school. That was a good   15  for me.

One day, my English teacher asked me to help her save back-up（备份） copies of her work in the computer. I then realized I was able to know the grades of all of her students. I   36  her how to copy files（文件） from one disk to another and she thanked me.
A few days later, she asked me to help her again, because she   37  how to do it. When I showed it to her, some students in my class  38  and began to talk among themselves   39 .Later that day, at lunch time, several of them came up to me.
“Hey, could you help us change our grades? We’ll   40  for it.”
I could not believe what I heard. I could get paid for something very 41 . “All right. I’ll do it.” The next day, my English teacher   42  me to help him out again. When he was not paying   43   , I changed their grades from Fs to As.
I soon became very   44  among my friends. They began to treat me like God who could do  45 . Word spread quickly and I became very rich.
Everything was going fine  46 I was called into the headmaster’s office. When I got there, both of my teacher and the headmaster were very angry. “ I don’t want to  47  what your teacher said, but I have to. She has too much evidence(证据),’’ the headmaster said. “Do you have anything to say for yourself?”
“No,” I said finally. I didn’t realize how   48  my behavior had been. I had disappointed my teacher and the headmaster. And there was no way  49 . I had to leave my school. That was a good  50  for me.

【小题1】

A．said

One day, my English teacher asked me to help her save back-up（备份） copies of her work in the computer. I then realized I was able to know the grades of all of her students. I   1  her how to copy files（文件） from one disk to another and she thanked me.
A few days later, she asked me to help her again, because she   2  how to do it. When I showed it to her, some students in my class   3  and began to talk among themselves   4  .Later that day, at lunch time, several of them came up to me.
“Hey, could you help us change our grades? We’ll   5  for it.”
I could not believe what I heard. I could get paid for something very   6 . “All right. I’ll do it.” The next day, my English teacher   7  me to help him out again. When he was not paying   8  , I changed their grades from Fs to As.
I soon became very   9  among my friends. They began to treat me like God who could do   10 . Word spread quickly and I became very rich.
Everything was going fine   11  I was called into the headmaster’s office. When I got there, both of my teacher and the headmaster were very angry. “ I don’t want to   12  what your teacher said, but I have to. She has too much evidence(证据),’’ the headmaster said. “Do you have anything to say for yourself?”
“No,” I said finally. I didn’t realize how   13  my behavior had been. I had disappointed my teacher and the headmaster. And there was no way   14 . I had to leave my school. That was a good   15  for me.

It is easy for us to tell who our family members are, but do plants recognize(识别) their own family? Some do, scientists say, according to a report by Science News in early 2010.

Guillermo P. Murphy and Susan Dudley are two plant scientists from McMaster University in Hamilton, Canada. They did a few experiments with Jewelweeds, a kind of flower that grows in wet, shady spots. They found that the flowers seem to know their own flower family. In their experiments, Murphy and Dudley planted jewelweeds in pots with either siblings or strangers.

When jewelweeds were planted in pots with strangers, the plants started to grow more leaves than if they had been planted alone. This response(反应)suggests that plants are competing with strangers for sunlight, since a plant with more leaves can receive more light and make more food. Jewelweeds usually grow in the shade, where sunlight is not enough.

When jewelweed seedlings(幼苗)were planted with siblings, they grew a few more branches than they usually would if they were alone – but they did not start growing lots of extra leaves. This behavior suggests the plants are more likely to share resources, rather than compete.

According to the Science News report, Jewelweeds are not the first plants that plant scientists have studied for family recognition. In 2007, Dudley and her team studied the Great Lakes sea rocket, a plant that grows on the beach – where it may be hard to get fresh water. In that experiment, the scientists found that when sea rockets were planted with siblings, they tolerated each other. But when they were planted with strangers, the sea rockets reacted by working extra hard to grow lots of roots.

Dudley says this just because sea rockets, on the beach, get plenty of sun but struggle for water – so when they’re threatened, they compete for water. Jewelweeds have plenty of water but have to compete for sunshine, so they grow more leaves.

1. What does the underlined word siblings mean?

A．Flowers come from foreign countries.

B．Plants growing in different environments.

C．Flowers planted with lots of strangers.

D．Plants that are the same kind.

2. In the text, the writer mentioned the experiments of Jewelweeds to .

A．make a comparison B．introduce a topic

C．describe a pretty flower D．build a new theory

3. According to the passage, flowers planted alone will .

A．grow more leaves than those planted in groups

B．become taller than those with more branches

C．grow fewer leaves than those planted with strangers

D．become ill easily because they can’t get enough shade

4. What can be the best title for the passage?

A．New Discoveries about Plants

B．How Plants Compete with Each Other

C．Family Recognition among Plants

D．Jewelweeds and the Great Lakes Sea Rockets

I had the meanest mother in the whole world. While other kids ate candy for breakfast, I had to have porridge, eggs or toast. When others had Cokes and candy for lunch, I had to eat a sandwich. But at least I wasn’t alone when I was sad. My sister and two brothers had the same mean(刻薄的) mother as I did.?

My mother preferred to know where we were all the time. She had to know who our friends were and where we were going. We had to clean clothes and take a bath every day. The other kids got to wear the same clothes for days. We could not lie in bed “sick” in order to miss school.?

The worst is yet to come. We had to be in bed by nine each night and get up at eight the next morning. We couldn’t sleep till noon like our friends. So while they slept, my mother was brave to break the Child Labour Law. She made us work. We had to wash dishes, make beds, and learn to cook and all sorts of things at home. I believe she lay awake thinking up all things for us to do. ?

My mother was a complete failure as a mother. Two of her children received higher education. None of us have ever been arrested(taken away by the police) or divorced. She forced us to grow up into educated and honest adults. I am trying to raise my three children this way. I am filled with pride when my children call me “mean”. Why? Because now I thank God every day for giving me the meanest mother in the world.?

1. How many children does the writer’s mother have??

A．Four.

B．Two.

C．Three.

D．Six. ?

2. What can you infer(推测) from the passage??

A．My family was rich, so I ate a sandwich for lunch.?

B．My mother was a great success. We love her.?

C．If we didn’t want to go to school, the best way was to pretend to be sick.?

D．We needn’t share the housework at home. ?

3.The best title for this passage may be . ?

A．My childhood	B．The meanest mother?
C．I do as my mother did	D．Unforgettable memories

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