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    Humans have observed and explored the oceans since ancient times.But it wasn’t until the 19th century that the scientific study of oceans began.The first major scientific expedition,and the one that firmly established the field of oceanography,was the around-the-world voyage of H.M.S.  Challenger.Setting out from England in 1872,the Challenger spent almost three and a half years gathering a wealth of information about seawater,sea life,and the ocean floor.Major oceanographic expeditions since then have included the South Atlantic voyage of the German ship Meteor in 1926 and the Deep-Sea Drilling Project from 1968 to 1983.Many individuals also have played important roles in advancing our understanding of oceans,beginning with Matthew Fontaine Maury in the mid-1800s;his work on oceanography and navigation led to a uniform system of weather reporting at sea.Since Maury’s time,oceanography has progressed rapidly.Early oceanographers had to contend themselves with tossing buckets overboard to see what they might haul in.Today’s oceanographers are equipped with space images,supercomputer models,and deep-sea robots that can crawl along the seafloor.As they set goals for the future,some oceanographers even dream of doing research in permanently manned stations on the bottom of the oceans.

    1. 1.

      Which of the following statements is true?

      1. A.
        Humans didn’t explore the oceans until the 19th century.
      2. B.
        Maury first established the field of oceanography.
      3. C.
        Maury spent a lot of time in studying seawater,sea life,and the bottom of the ocean.
      4. D.
        Many individuals also plays a very important part in advancing our understanding of oceans,such as Maury.
    2. 2.

      How many expeditions are mentioned in this passage?

      1. A.
        Four.
      2. B.
        Three.
      3. C.
        Five.
      4. D.
        Two.
    3. 3.

      What can we infer from the passage?

      1. A.
        The process of the oceanography has stopped at one time.
      2. B.
        Maury’s work on oceanography contributes a lot to weather reporting at sea.
      3. C.
        Nowadays the equipment for studying the oceans needs improving,because it is out of date.
      4. D.
        The expeditions in the past had great difficulty and made a lot of efforts in order to study the oceans.
    DBD
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    Every day we experiencc one of the wonders of the world around us without even realizing it It is not the amszing complexity of television. Nor the impressive tcchnology of transport The universal wonder we share and
    Experience is our ability to make noises with our mouths, and so transmit ideas and thoughts to each other’s minds. This ability comes so naturally that tend to forget what a miracle（奇迹）it is.
    Obviously, the ability to talk is something that marks humans off from animals. Of course, some animals have powers just as amazing. Birds can fly thousands of miles by observing positions of the stars in the sky in relation to the time of day and year. In Nature’s went show, humans are a species of animal that have deve pod their own special act. If we reduce it to basie ferms, it’s a ability for communicating information to ther by varying sounds we make as we breathe out.
    Not the to don’t have other powers of communication. Our facia. expressions convey our emotions, such as anger, or jout or disappointment. The way we hold our beads can indicate to others whether we are happy or sad. This is so-called “body language”. Bristling(直立的)fur is an unmistakable warning of attack among many animals. Similarly, the bowed bead or drooping tail shows a readiness to take second place in any animal gathering.
    Such a means of communication is a basic mechanism that animals, including human beings, instinctively acquire and display. Is the ability to speak just another sort of instinct? If so, how did human beings acquire this amazing skill? Biologists can readily indicate that particular area of our brain where speech mechanisms function, but this doesn’t tell us how that part of our bodies originated in our biological history.
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    B.Animals express emotions just as humans do.
    C.Humans have other powers of communication.
    D.Humans are no different from animals to some degree.
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    B.the special role humans play in nature
    C.the power to convey information to others
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