【正文】 the position of the artificial stars caused a change in the direction of his think that warblers, when flying in daylight, use the sun for stars are apparently their main means of directed flight in the do they do when stars are hidden by clouds? Apparently, they find their way by such landmarks as mountain ranges, coast lines and river when it is too dark to see these, the warblers circle helplessly, unable to find their of the following is NOT true about migratory bird’s flight?A、Some birds fly mainly by 、Some birds fly mainly by 、Birds like to fly during daylight 、Birds depend on the sun or stars to guide do we know about the experimental warbler?A、It was set free for the 、It had never flown freely 、It had never been placed under the 、It had lost its way in its daylight do we know about warblers as a whole?A、They do not have 、They tend to take the same route as other 、They do not need to learn to fly in the right 、They cannot sense changes in the position of the does the passage say about warblers’ sense of direction?A、They get lost under starfilled 、They lose their way when it is too 、They are not able to see clearly at 、They usually depend on clouds for does “fill in the blanks” in the first paragraph mean?A、“to do the exercise”B、“to take the test”C、“to know the right words”D、“to know the answer”Passage TwoQuestions 66 to 70 are based on the following passage:How men first learned to invent words is we really know is that men, unlike animals, somehow invented certain sounds to express thoughts and feelings, actions and things, so that they could municate with each other。and that later they agreed upon certain signs, called letters, which could be bined to represent those sounds, and which could be written sounds, whether spoken or written in letters, we call power of words, then, lies in their associations – the things they bring up before our bee filled with meaning for us by experience。the more we read and learn, the larger the number of words that mean something to us writers are those who not only have great thoughts but also express these thoughts in words which appeal powerfully to out minds and attractive use of words is what we call literary all, the real poet is a master of can express his meaning in words which sing likemusic, and, by their position and association, can move men to should therefore learn to choose our words carefully and use them correctly, or they will make our speech dull and of the following did men invent first?A、WordsB、SoundsC、SignsD、Letters did men invent language?A、To be different form 、To make their ideas known to 、To make nice sounds for others to 、To have something to write down of the following is true of words according to the passage?A、Their power is beyond 、They last longer than signs or 、They remind people of their past 、They enable people to live longer and read does the author mention “poet” in the last paragraph?A、A poet is full of great thoughts and 、A poet is an example of good language 、A poet tells of the glad and sad events of his 、A poet knows more sounds and words than is the best title of the passage?A、Language and Its 、Language and Human 、Poet: A Master of 、How Language Came into ThreeQuestions 71 to 75 are based on the following passage:In the 1800s, trains roared into were symbols of progress and played as much of a role in America’s history as presidents and first American railroads were built in the late 1820’ early railroads provided cheap transportation for shippers and encourage the railroads to expand into unsettled land, Presid