--- What do you think of these dictionaries?-...

--- What do you think of these dictionaries?

--- Most of them are updated. Still, ______ is so suitable for high school students as Multifunction English – Chinese Dictionary.

高二英语单项填空简单题查看答案及解析

--- What do you think of your E-dictionary ?

-- Helpful. It has _____ many problems about English idioms.

A. turned up　　 B. broken up

C. taken up　　 D. cleared up

高二英语单项填空中等难度题查看答案及解析

Sweet peas, cucumbers, grapes ---- what do you think they have in common?

None of these vegetables grow on trees. They all don’t have strong roots, big trunks or long branches, which makes it harder for them to get sunlight. But don’t worry. They have developed their own unique way of growing taller climbing!

Take sweet peas as an example. The plant grows as a straight stem until it finds something to hold onto, either a nearby tree or a stick. That is when the stem makes small coil(卷曲) that helps the plant hold the stick tightly.

How these plants are able to do this has been a mystery to scientists for years. Even Charles Darwin was interested in this question. But it is not until now that a Harvard research team has finally found the answer. The study was published in the Journal Science earlier this month.

The key, as it turns out, is inside a kind of thread-like cell called “g-fiber cell”, which has the ability to shrink or stretch. Each stem of the pea plant is made of several layers of g-fibers. Once the plant finds something to hold onto, cells on side of the stem start to shrink, forcing the whole thing to bend and coil, which is a bit like how our muscles get our bodies to move.

What’s more, a pea’s coil is not exactly like that of a spring. If you look closely, you may find that a spring coils all in the same direction, but a plant’s coil is in two opposite directions, like a telephone line. This means that the stem can stay soft when pulled gently but become strong enough when pulled harder.

“You want the plant to have a little bit of flexibility(柔韧性) so that if the wind blows or an animal disturb it, it doesn’t break,” explained Sharon Gerbode, author of the study. “This structure allows the plant to easily accommodate small movement, but then if something really serious happens it can become strong and protect itself.”

1. According to the article, coiling happens in sweet peas plant to allow the plant to　　　　　　 .

A. form a straight stem

B. grow strong roots

C. develop g-fiber cells on the stems

D. climb itself up toward the sunlight

2.According to the article, which one is true about “a sweet pea’s coil”?

A. to be like that of a spring

B. to bend all in the same direction

C. to make the stem hard break

D. to make the stem get soft when pulled hard

3.When the sweet pea plant finds something to hold onto, 　　　　　　 .

A. g-fiber cells on both sides of stem, forcing the stem to bend and coil

B. g-fiber cells on side of stem shrink, forcing the stem to bend and coil

C. g-fiber cells on the stem start to stretch, forcing the stem to bend and coil

D. there are more g-fiber cells on the stems

4.What’s the purpose of the writer in the passage?

A. To tell us why the sweet peas can climb the tree or stick.

B. To display new research allows scientists to understand more about climbing plants.

C. To show us new scientific research about the role of “g-fiber cell”.

D. To tell us the mysterious natural phenomena of some plants.

高二英语阅读理解中等难度题查看答案及解析

—Which of those electronic dictionaries do you like most?

—        . They are both expensive and of little use.

A. Both         B. None             C. Neither          D. All

高二英语单项填空中等难度题查看答案及解析

--- What do you think we can do for our parents?

---You _____ do anything except to be with them and be yourself.

A. don't have to     B. oughtn't to      c. mustn't       D. can't

高二英语单项填空中等难度题查看答案及解析

—What do you think we can do for our aged parents?

—You ____ do anything except to be with them and be yourself.

A. oughtn’t to　　     B. don’t have to    　　 C. mustn’t    　　 D. can’t

高二英语单项填空中等难度题查看答案及解析

Life is difficult.

What do you think about life? Maybe most people say that life is difficult. But life is no longer difficult once we truly understand and accept it. Most people do not fully see this truth. Instead, they complain about their problems and difficulties as if life should be easy. It seems to them that their difficulties represent a special kind of suffering especially forced upon (强加于) them or their families, their class, or even their nation.

What makes life difficult is that the process of facing and solving problems is a painful one. Problems, depending on their nature, cause us sadness or loneliness or regret or anger or fear. These are uncomfortable feelings, often as painful as any kind of physical pain. And since life causes an endless series of problems, life is always difficult and is full of pain as well as joy.

Yet, it is in this whole process of solving problems that life has its meaning.

Problems are the serious test that tells success from failure. When we desire to encourage the growth of the human spirit, we encourage the human ability to solve problems, just as in school we set problems for our children to solve. It is through the pain of meeting and working out problems that we learn. As Benjamin Franklin said, “Those things that hurt instruct.” It is for this reason that wise people learn not to fear but to welcome the pain of problems.

1.The writer probably used just one short sentence in the first paragraph to _________.

A. show his opinion　　 B. argue with readers

C. give an example　　 D. get readers’ attention

2.According to the passage we give school children difficult problems in order to _______.

A. help them learn to deal with pain

B. teach them how to respect problems

C. encourage them to solve problems

D. teach them to fear the pain of solving problems

3.The saying from Benjamin Franklin “Those things that hurt instruct.” suggests that _________.

A. pain teaches us important lessons　　 B. we do not learn when we are in pain

C. we do not learn from experience　　 D. the pain of problems is not welcome

4.The passage mainly tells us that _________.

A. everybody has problems

B. we become stronger by facing and solving the problems of life

C. people like to complain about their problems

D. life is difficult because our problems bring us pain

高二英语阅读理解中等难度题查看答案及解析

—Which of those T-shirts do you like most?

—________ of them. They are both nice and comfortable to wear.

高二英语单项填空简单题查看答案及解析

—Here are the designs. ________ do you prefer?

—I think ________ looks the most original.

高二英语单项填空中等难度题查看答案及解析

Do you think horseback riding is easy? Well, you are wrong. Horseback riding is one of the most challenging sports in the world today.

As you know, a horse has the instinct to run away when afraid. When he becomes puzzled, he becomes afraid. When your silent communication is confusing, he does not ask you to repeat what you have said. Instead, he runs forward, he jumps to the side, he kicks out, or he freezes in place. Most of the time, however, you won’t know your communication is confusing until it is too late. When he runs forward, you will fall back. When he jumps to side, you will fall the other way. When he kicks out or freezes in place, you will fly over his head.

If you want to be good at horseback riding, you must practice. Being ridden does not come naturally to horses. They have to be trained. For example, to ask them to go forward, you usually tap them with your heels. But, if you get on untrained horses, they won’t know that a tap means go. Instead, they will most likely run around like a wild animal out of fear.

Contrary to popular belief, horseback riding does take skill. If you believe horseback riding doesn’t take skill, you most likely have only ridden at a farm that provides a well-trained horse. To me, that is not actual riding. And although it may seem easy to you, you were not the person to teach that horse that a saddle is not frightening. You were not the person to fall off that same horse at the beginning of his training. When horses are first taught to be ridden, all they do is run, kick out, and rear, which is the act of standing on their back legs only.

1.What does the underlined word “confusing” in paragraph 2 probably mean?

A. embarrassing　　 B. puzzling

C. exciting　　 D. interesting

2.In paragraph 3, the author uses the example to ________.

A. show horses for horseback riding need training

B. prove it is hard to master horseback riding skills

C. prove communication is important in horseback riding

D. show some horses can’t be trained

3.According to the last paragraph, most people believe that ________.

A. training a horse is easy

B. horseback riding is interesting

C. riding a well-trained horse isn’t actual riding

D. horseback riding doesn’t take skill

4.The text is most probably taken from ________.

A. a newspaper report　　 B. a biology textbook

C. a sports magazine　　 D. a research paper

高二英语阅读理解中等难度题查看答案及解析