[originaltext] Listen to the following passage. Altogether the passage will

Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given ONE minute to check through your work once more. Please write the whole passage on ANSWER SHEET ONE.
    Now, listen to the passage.
                            Ocean Energy
    Scientists believe a great energy source of the future can be found in the world’s oceans./ Ocean energy seems to cause little or no negative impact on the environment, / unlike conventional sources such as oil or coal, / and there is no lack of sea water in the world. / One example of an energy source using the world’s oceans is tidal power, / which can be used to produce electricity./
    However, the range of tides necessary for an economically worthwhile system / is found in only a few coastal areas of the world / and the long range effect may slow down the rotation of the earth very slightly./