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Common Faults and Eye MovementThere are a number of bad habits which poor readers adopt. M

Common Faults and Eye Movement

There are a number of bad habits which poor readers adopt. Most of these involve using extra body movement in the reading process. In efficient reading, the muscles of the eye should make the only external movement. Of course there must be vigorous mental activity, but extra body movements, such as pointing with the finger or moving the lips, do not help reading and often slow it down.

POINTING AT WORDS

A fault that is often seen when students are trying to concentrate is pointing to the words with a finger, pencil or ruler. Young children and very poor readers often point with a finger at each word in turn. Slightly more mature readers sometimes hold a pencil or ruler underneath the line which they are reading. While marking the line might be helpful for beginning readers, it is certainly unnecessary for normal readers. Besides slowing down the reader through the mere mechanical movement of pencil, ruler, or finger, pointing at lines or words tends to cause the student to focus his attention on the wrong thing. The important thing to concentrate on while reading is the idea that the author is trying to communicate, and not the location of the words on the page. The eyes of any child old enough to learn how to read are certainly skillful enough to be able to follow a line of print without extra help from fingers or rulers.

Another common fault that is easily observed is head movement. This most often occurs when students are nervous about their reading or trying hard, as during a reading speed test. With head movement the student tries to aim his nose at the word he is reading so that as he reads across the line his head turns slightly. When he makes the return sweep to begin a new line his head quickly turns back so that his nose is pointed at the left-hand margin, and he can now begin to read the new line by slowly turning his head. The belief that this head movement aids reading is pure nonsense. Eye muscles are quite capable of shifting the eyes from word to word, and the)' need no help from neck muscles.

Often students are quite unaware that they are moving their heads while reading and they need to be reminded by the teacher not to do-it.

VOCALIZATION

Vocalization is another fault. Some poor readers think it necessary to pronounce aloud each word as it is read. Usually this pronunciation is quite soft, so that the student is more whispering to himself than actually reading aloud, but even this is very undesirable. The chief disadvantage of pronouncing words while you read them is that it tends to tie reading' speed to speaking speed, and the silent reading of most normal readers is nearly twice as fast as their speaking. Usually this fault can be eliminated in older students by their own conscious effort, possibly with the aid of a few reminders from the teacher.

Vocalization by beginning readers is a common fault; after a reader reaches some maturity it becomes very undesirable.

Vocalization takes various modified forms. Sometimes a reader will merely move his lips soundlessly. At other times he may make tongue or throat movements without lip movement. Still other readers will have activity going on in their vocal cords, which can be detected by the student if he places his fingers alongside his vocal cords in the throat while he is reading. Vocal cord vibration can be felt with the fingers quite easily. Like true vocalization, these minor parts of "subvocalization" -- lip movement, tongue or throat movement and vocal cord movement -- can be stopped by conscious effort of the student.

SUBVOCALIZATION

Subvocalization is the most difficult of all types of vocalization. In suhvocalization there is no body movement. The lips, tongue or vocal cords do not move. But an inner type of speech persists: within the student's mind he is saying each word to himself, clearly p

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更多“Common Faults and Eye MovementThere are a number of bad habits which poor readers adopt. M”相关的问题

第1题

How Earthquakes WorkAn earthquake is one of the most terrifying phenomena that nature can

How Earthquakes Work

An earthquake is one of the most terrifying phenomena that nature can dish up. We generally think of the ground we stand on as "rock-solid" and completely stable. But an earthquake can shatter that perception instantly. Up until relatively recently, scientists only had unsubstantiated guesses as to what actually caused earthquakes. Even today there is still a certain amount of mystery surrounding them, but scientists have a much clearer understanding. There has been enormous progress in the past century: Scientists have identified the forces that cause earthquakes, and developed technology that can tell us an earthquake's magnitude and origin. The next hurdle is to find a way of predicting earthquakes.

Shaking Ground

An earthquake is a vibration that travels through the earth's crust. Technically, a large truck that rumbles down the street is causing a mini-earthquake, if you feel your house shaking as it goes by, but we tend to think of earthquakes as events that affect a fairly large area, such as an entire city. All kinds of things can cause earthquakes:

-volcanic eruptions

-meteor(流星) impacts

-underground explosions (an underground nuclear test, for example)

-collapsing structures (such as a collapsing mine)

But the majority of naturally-occurring earthquakes are caused by movements of the earth's plates, as we'll see in the next section.

We only hear about earthquakes in the news every once in a while, but they are actually an everyday occurrence on our planet. According to the United States Geological Survey, more than three million earthquakes occur every year. That's about 8000 a day, or one every 11 seconds! The vast majority of these 3 million quakes are extremely weak.

Sliding Plates

The biggest scientific breakthrough in the history of seismology(地震学)—the study of earthquakes came in the middle of the 20th century, with the development of the theory of plate tectonics(板块构造). The basic theory is that the surface layer of the earth—the lithosphere—is comprised of many plates that slide over the lubricating mantle(地幔) layer. At the boundaries between these huge plates of soil and rock, three different things can happen:

-Plates can move apart—If two plates are moving apart from each other, hot, molten rock flows up from the layers of mantle below the lithosphere.

-Plates can push together—If the two plates are moving toward each other, one plate typically pushes under the other one. At some boundaries where two plates meet, neither plate is in a position to subduct under the other, so they both push against each other to form. mountains.

-Plates slide against each other—At other boundaries, plates simply slide by each other—they are pushed tightly together. A great deal of tension builds at the boundary.

Where these plates meet, you'll find faults—breaks in the earth's crust where the blocks of rock on each side are moving in different directions. Earthquakes are much more common along fault lines than they are anywhere else on the planet.

Faults

Scientists identify four types of faults, characterized by the position of the fault plane, the break in the rock and the movement of the two rock blocks:

-In a normal fault (see animation below), the fault plane is nearly vertical. These faults occur where the crust is being pulled apart, due to the pull of a divergent plate boundary.

-The fault plane in a reverse fault is also nearly vertical, but the hanging wall pushes up and the footwall pushes down. This sort of fault forms where a plate is being compressed.

-A thrust fault moves the same way as a reverse fault, but the fault line is nearly horizontal. This is the sort of fault that occurs in a converging plate boundary.

-In

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第2题

It is said that great men often have great ______.

A.errors

B.mistakes

C.faults

D.flaws

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第3题

Identify the errors in the following sentence:There are many faults in his homework. ()

A.There are

B.many

C.faults

D.homework

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第4题

若材料沿y轴垂直拉伸,则该材料的泊松比的计算公式为()

A.ν =- ey/ex

B.ν =ey/ex

C.ν =- ex/ey

D.ν =ex/ey

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第5题

Software testing aims to ______.

A、cover the faults in the software system

B、prove the software is right

C、test the code only

D、find as many faults as possible in the software system

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第6题

对于EY恶意单可以进行()和()两种操作。
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第7题

One of his many faults is that he never ______ anything very long.

A.decides on

B.goes over

C.sticks to

D.makes sure

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第8题

According to the passage, quakes ______.A.can in no way be studied fullyB.can be warned of

According to the passage, quakes ______.

A.can in no way be studied fully

B.can be warned of beforehand

C.can trigger minor faults

D.on small faults cannot possibly be as deadly as those best known quakes

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第9题

In a good relationship, both sides admit the faults they make and correct them togethe
r.()

此题为判断题(对,错)。

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第10题

彩色电视的亮度信号方程式为EY=0.30ER+0.59EG+0.11EB。()
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