The old castle is well _____ visiting.


  1. A.
    worthy
  2. B.
    worth
  3. C.
    valuable
  4. D.
    reliable
B
試題分析：be worth doing值得（被）做……，句意：老城堡很值得參觀。
考點：形容詞。
點評：本題需要把握worth和worthy兩個詞的用法。表示值得做……,worth用法為：be worth doing；而worthy用法為：be worthy to be done或be worthy of being doing。valuable“有價值的”和reliable“可靠的”與題意不符合。
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　　If you’re training for a marathon， a proper plan for water intake (攝入) is important．Of course， there’s the risk of dehydration (脫水)．But athletes now know they can also get into trouble by drinking to much．To much water intake can lower levels of sodium (鈉) in the blood．The death of a 28－year－old woman following the Boston Marathon caught the attention of many runners and led to new research．

　　Experts advise long distance runners to replace the liquids they sweat out．Their goal is to try to keep someone from not getting dehydrated by more than 2 percent of their body weight．

　　One technique for deciding how much water you need is to get the exact numbers．Runners have to weight themselves before and after a run to determine how much water they’ve lost．If their weight drops by more than 2 percent， they have not drunk enough water．

　　Hyponatremia occurs when runners drink so much water that blood salt levels drop off．A study published last year tested 488 runners who completed the Boston Marathon and found 13 percent of them had dangerously low blood salt levels．The first sign that runners may notice is slightly swelling in the hands．They can’t get their rings off， and then they might feel sick．They may not remember where they are．In fact， most runners get enough salt to get back to normal levels by eating just one meal after a run．Contrary to the old advice that runners should drink as much as they can to prevent dehydration， the new research has shown that the body is a remarkable machine that actually tells you via thirst when you need water．

(1)

The author of this passage is primarily concerned with________

[　　]

A．

the signs and treatment for dehydration

B．

the long distance runners who need help

C．

how to manage water intake during a marathon

D．

a 28－year－old woman who died after a Boston Marathon

(2)

Why do runners have to weigh themselves before and after a run?

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They can improve their performance in a run．

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They can learn how much salt there is in the blood．

C．

They ca know the quantity of water they’ve lost during a run．

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What conclusion can we draw from the passage?

[　　]

A．

Taking much salt during a run can avoid selling in the body．

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Either too much or to little of water intake is harmful．

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A rich meal is helpful to our performance in a run．

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We should take enough salt during a run．

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According the passage， which of the following statements is correct?

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A．

Too much water intake →blood sodium levels ↓→dehydration．

B．

Too much water intake →blood salt levels ↓→hyponatremia．

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No water intake →blood sodium levels ↑→hyponatremia．

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No water intake →blood salt levels ↓→hyponatrenmia．

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科目：高中英語 來源：貴州省畢節(jié)市第一中學2012屆高三第四次摸底考試英語試題 題型：050

閱讀理解

　　If you’re training for a marathon, a proper plan for water intake(攝入)is important．Of course, there’s the risk of dehydration(脫水)．But athletes now know they can also get into trouble by drinking to much．To much water intake can lower levels of sodium(鈉)in the blood．The death of a 28-year-old woman following the Boston Marathon caught the attention of many runners and led to new research．

　　Experts advise long distance runners to replace the liquids they sweat out．Their goal is to try to keep someone from not getting dehydrated by more than 2 percent of their body weight．

　　One technique for deciding how much water you need is to get the exact numbers．Runners have to weight themselves before and after a run to determine how much water they’ve lost．If their weight drops by more than 2 percent, they have not drunk enough water．

　　Hyponatremia occurs when runners drink so much water that blood salt levels drop off．A study published last year tested 488 runners who completed the Boston Marathon and found 13 percent of them had dangerously low blood salt levels．The first sign that runners may notice is slightly swelling in the hands．They can’t get their rings off, and then they might feel sick．They may not remember where they are．In fact, most runners get enough salt to get back to normal levels by eating just one meal after a run．Contrary to the old advice that runners should drink as much as they can to prevent dehydration, the new research has shown that the body is a remarkable machine that actually tells you via thirst when you need water．

(1)

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the signs and treatment for dehydration

B．

the long distance runners who need help

C．

how to manage water intake during a marathon

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a 28-year-old woman who died after a Boston Marathon

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Why do runners have to weigh themselves before and after a run?

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A．

They can improve their performance in a run．

B．

They can learn how much salt there is in the blood．

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They ca know the quantity of water they’ve lost during a run．

D．

They can decide what kind of water they should take during a run．

(3)

What conclusion can we draw from the passage?

[　　]

A．

Taking much salt during a run can avoid selling in the body．

B．

Either too much or to little of water intake is harmful．

C．

A rich meal is helpful to our performance in a run．

D．

We should take enough salt during a run．

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According the passage, which of the following statements is correct?

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A．

Too much water intake→blood sodium levels ↓→dehydration．

B．

Too much water intake→blood salt levels ↓→hyponatremia．

C．

No water intake→blood sodium levels↑→hyponatremia．

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C
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    If you're training for a marathon , a proper plan for water intake (攝入) is important . Of course , there's
the risk of dehydration (脫水) . But athletes now know they can also get into trouble by drinking to much .
To much water intake can lower levels of sodium (鈉) in the blood . The death of a 28-year-old woman
following the Boston Marathon caught the attention of many runners and led to new research .
     Experts advise long distance runners to replace the liquids they sweat out . Their goal is to try to keep
someone from not getting dehydrated by more than 2 percent of their body weight .
     One technique for deciding how much water you need is to get the exact numbers . Runners have to
weight themselves before and after a run to determine how much water they've lost . If their weight drops
by more than 2 percent , they have not drunk enough water.
     Hyponatremia occurs when runners drink so much water that blood salt levels drop off . A study
published last year tested 488 runners who completed the Boston Marathon and found 13 percent of them
had dangerously low blood salt levels . The first sign that runners may notice is slightly swelling in the
hands . They can't get their rings off , and then they might feel sick . They may not remember where they
are . In fact , most runners get enough salt to get back to normal levels by eating just one meal after a run .
Contrary to the old advice that runners should drink as much as they can to prevent dehydration , the new
research has shown that the body is a remarkable machine that actually tells you via thirst when you need
water .
1．The author of this passage is primarily concerned with        .
A．the signs and treatment for dehydration
B．the long distance runners who need help
C．how to manage water intake during a marathon
D．a(chǎn) 28-year-old woman who died after a Boston Marathon
2．Why do runners have to weigh themselves before and after a run ?
A．They can improve their performance in a run .
B．They can learn how much salt there is in the blood .
C．They ca know the quantity of water they've lost during a run .
D．They can decide what kind of water they should take during a run .
3．What conclusion can we draw from the passage ?
A．Taking much salt during a run can avoid selling in the body .
B．Either too much or to little of water intake is harmful .
C．A rich meal is helpful to our performance in a run .
D．We should take enough salt during a run .
4．According the passage, which of the following statements is correct ?
A．Too much water intake→blood sodium levels ?→dehydration .
B．Too much water intake→blood salt levels ?→hyponatremia .
C．No water intake→blood sodium levels↑→hyponatremia .
D．No water intake →blood salt levels ?→hyponatrenmia .

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If you’re training for a marathon , a proper plan for water intake (攝入) is important . Of course , there’s the risk of dehydration (脫水) . But athletes now know they can also get into trouble by drinking too much. Too much water intake can lower levels of sodium (鈉) in the blood . The death of a 28-year-old woman following the Boston Marathon caught the attention of many runners and led to new research.

Experts advise long distance runners to replace the liquids they sweat out. Their goal is to try to keep someone from not getting dehydrated by more than 2 percent of their body weight.

One technique for deciding how much water you need is to get the exact numbers. Runners have to weigh themselves before and after a run to determine how much water they’ve lost. If their weight drops by more than 2 percent, they have not drunk enough water.

Hyponatremia occurs when runners drink so much water that blood salt levels drop off. A study published last year tested 488 runners who completed the Boston Marathon and found 13 percent of them had dangerously low blood salt levels. The first sign that runners may notice is slightly swelling in the hands. They can’t get their rings off, and then they might feel sick. They may not remember where they are. In fact, most runners get enough salt to get back to normal levels by eating just one meal after a run. Contrary to the old advice that runners should drink as much as they can to prevent dehydration , the new research has shown that the body is a remarkable machine that actually tells you via thirst when you need water .

1．The author of this passage is primarily concerned with        .

       A．the signs and treatment for dehydration

       B．the long distance runners who need help

       C．how to manage water intake during a marathon

       D．a(chǎn) 28-year-old woman who died after a Boston Marathon

2．Why do runners have to weigh themselves before and after a run?

       A．They can improve their performance in a run.

       B．They can learn how much salt there is in the blood.

       C．They ca know the quantity of water they’ve lost during a run.

       D．They can decide what kind of water they should take during a run.

3．What conclusion can we draw from the passage?

       A．Taking much salt during a run can avoid swelling in the body.

       B．Either too much or to little of water intake is harmful.

       C．A rich meal is helpful to our performance in a run.

       D．We should take enough salt during a run.

4．According the passage, which of the following statements is correct?

       A．Too much water intake→blood sodium levels ↓→dehydration.

       B．Too much water intake→blood salt levels ↓→hyponatremia.

       C．No water intake→blood sodium levels↑→hyponatremia.

       D．No water intake →blood salt levels ↓→hyponatrenmia.

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