阅读理解 Peanuts to This Proudly reading my words, I glanced around the room, only to find my classmates bearing big smiles on their faces and tears in their eyes．Confused, I glanced toward my stone-fac 题目和参考答案——青夏教育精英家教网—

题目内容

阅读理解

Peanuts to This

　　Proudly reading my words, I glanced around the room, only to find my classmates bearing big smiles on their faces and tears in their eyes．Confused, I glanced toward my stone-faced teacher．Having no choice, I slowly raised the report I had slaved over, hoping to hide myself．“What could be causing everyone to act this way?”

　　Quickly, I flashed back to the day Miss Lancelot gave me the task．This was the first real talk I received in my new school．It seemed simple：go on the Internet and find information about a man named George Washington．Since my idea of history came from an ancient teacher in my home country, I had never heard of that name before．As I searched the name of this fellow, it became evident that there were two people bearing the same name who looked completely different! One invented hundreds of uses for peanuts, while the other led some sort of army across America．I stared at the screen, wondering which one my teacher meant．I called my grandfather for a golden piece of advice; flip(掷)a coin．Heads－the commander, and tails－the peanuts guy．Ah! Tails, my report would be about the great man who invented peanut butter, George Washington Carver．

　　Weeks later, standing before this unfriendly mass, I was totally lost．Oh well, I lowered the paper and sat down at my desk, burning to find out what I had done wrong．As a classmate began his report, it all became clear, “My report is on George Washington, the man who started the American Revolution．” The whole world became quite! How could I know that she meant that George Washington?

　　Obviously, my grade was awful．Heartbroken but fearless, I decided to turn this around．I talked to Miss Lancelot, but she insisted：No re-dos; no new grade．I felt that the punishment was not justified, and I believed I deserved a second chance．Consequently, I threw myself heartily into my work for the rest of the school year．Ten months later, that chance unfolded as I found myself sitting in the headmaster's office with my grandfather, now having an entirely different conversation．I smiled and flashed back to the embarrassing moment at the beginning of the year as the headmaster informed me of my option to skip the sixth grade．Justice is sweet!

(1)

What did the author's classmates think about his report?
[　　]
A．	Controversial．
B．	Ridiculous．
C．	Boring．
D．	Puzzling．

(2)

Why was the author confused about the task?
[　　]
A．	He was unfamiliar with American history．
B．	He followed the advice and flipped a coin．
C．	He forgot his teacher's instruction．
D．	He was new at the school．

(3)

The underlined word “burning” in Para．3 probably means ________．
[　　]
A．	annoyed
B．	ashamed
C．	ready
D．	eager

(4)

In the end, the author turned things around ________．
[　　]
A．	by redoing his task
B．	through his own efforts
C．	with the help of his grandfather
D．	under the guidance of his headmaster

答案：1．B;2．A;3．D;4．B;
解析：

(1)	B．ridiculous 可笑的。第一段中only to find my classmates bearing big smiles on their faces and tears in their eyes．
(2)	第二段中 Since my idea of history came from an ancient teacher in my home country, I had never heard of that name before．
(3)	I lowed down the paper and sat down at my desk,我不知道发生了什么，所以在我发言后，希望知道为什么大家如此反应的原因，即eager to find out what I had done wrong．
(4)	第四段中Consequently, I threw myself heartily into my work for the rest of the school year．

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第三部分：阅读理解（共20小题；每小题2分，满分40分）

阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。[来源:学&科&网]

The human body is a living machine , and , like all machines , it needs “fuel” (燃料) to supply it with energy . This is provided by the food we eat . But how much do we need to stay healthy ?

The energy value of food is usually measured in calories . A calorie is the amount of heat required to raise the temperature of 1 kg of water by 1℃. The number of calories people need per day is different , as the pictures show . Also , the number of calories you use at any one moment normally depends on the activity you are in . For example , you need more calories for standing than for sitting , more for running than for walking , and so on .

The energy in food is in the form of three kinds of chemical materials-carbohydrate （碳水化合物）, protein（蛋白质）and fat . Carbohydrate provides 3.8 Cal/gm , protein4.0 Cal/gm , and fat 8.8 Cal/gm . Each food contains different amount of these materials , as the round pictures show .

1．The amount of calories supplied by equal amounts of milk , rice , and peanuts is the largest in the case of .

A．milk B．rice C．peanuts D．rice or peanuts

2．Choose one statement from among A-D that agrees with the passage and the pictures above .

A．You need more calories for swimming than for mountain climbing .

B．Food contains energy in the form of carbohydres , proteins and fuel .

C．Different people need different amounts of energy depending on their age , sex and the activities they are in .

D．3 grams of milk provides 16.6 calories because carbohydrate provides 3.8 Cal/gm , protein 4.0 Cal/gm and fat 8.8 Cal/gm .

3．This article mainly tells us ________________.

A．all the energy is in food

B．the human body needs energy

C．the number of calories depends on your activity

D．we must only eat peanuts to get calories

第二部分阅读理解（共25小题，第一节每小题2分，第二节每小题1分；满分45分）

第一节，阅读下面短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

Bollworms are a traditional threat to cotton crops．Young ones feed on the boll，the part of the cotton plant that contains the seeds．

A bacterium known as Bt is able to kill bollworms and some other pests．Bt is the short form for Bacillus thuringiensis．It was discovered in the early twentieth century．Farmers began using Bt as a natural pesticide(杀虫剂)．

Then，in the 1990s，researchers found a way to grow cotton plants that contain a Bt gene．The genetically improved cotton plant produces liquid that kills bollworms．Farmers around the world are now growing an estimated fourteen million hectares of Bt cotton．

Cotton bollworms also attack other crops．But scientists in China recently reported that Bt cotton may help prevent bollworm in other crops growing nearby．

The study involved crops grown in six provinces of northern China between 1992 and 2008．The study area contained three million hectares of cotton and twenty-two million hectares of corn，peanuts，soybeans and vegetables．

The researchers say the study suggested that Bt cotton not only controls bollworm on the transgenic cotton，but also may reduce its existence on other crops．And that reduction，they say，may decrease the need for insecticide use in general．

But the researchers also pointed out concerns．They say bollworms could develop resistance to the cotton plants designed to resist them．And they noted that insects called mirids have become “key pests” of cotton in China．They said this is because of a decrease in pesticide use made possible by Bt cotton．

The researchers say they do not believe that Bt cotton alone can solve all insect problems．Instead，they say farmers in China should consider it just one part of pest management systems．

1．What is Bt in this passage?

A．It's a kind of hi-tech invention． B．It's a natural bacterium．

C．It's a kind of pest． D．It's a man-made pesticide．

2．Bt cotton has all the advantages EXCEPT that ________．

A．it resists bollworms

B．it does good to other crops growing around

C．it reduces the use of insecticide

D．it helps to develop new insects

3．The underlined word “ones” in the first paragraph refers to ________．

A．bollworms B．cotton crops C．cotton seeds D．pests

4．From the passage，we can infer ________．

A．farmers around the world are now growing a large area of Bt cotton

B．researchers are probably now searching for new ways to solve other cotton problems C．bollworms could not exist in Bt cotton any longer

D．Chinese scientists found the way to grow Bt cotton