[填空题]rocket-propelled arrows for fighting

[单项选择]
In nature, fighting is such an ever-present process that its behavior mechanisms and weapons are highly developed. Almost every animal capable of self-defense from the smallest upwards fights furiously when it is cornered and has no means of escape.
However, in another respect the fight between hunter and hunted is not a fight in the real sense of the word: the stroke of the paw with which a lion kills his prey may resemble the movements that he makes when he strikes his rival, but the inner motives of the hunter are basically different from those of the fighter. The buffalo which the lion fells provokes his aggression as little as the appetizing turkey which I have just seen hanging in the larder provokes mine. The difference in these inner drives can clearly be seen in the expression movements of the animal: a dog about to catch a hunted rabbit has the same kind of excited happy expression as he has whe
A. cause
B. intensify
C. stop
D. relieve

[单项选择]"The slings and arrows of outrageous fortune" is an example of ______.
A. metaphor
B. simile
C. irony
D. personification

[简答题]日本石器时代的人 拿什么当作武器：Arrows/ spears

[单项选择]

Bows and arrows, are one of man’s oldest weapons. They gave early man an effective weapon to kill his enemies. The ordinary bow or short bow is used by nearly all early people. This bow had limited power and short range. However, man overcame these faults by learning to track his targets at a close range. The long bow was most likely discovered when someone found out that a five-foot piece of wood made a better bow than a three-foot piece. Hundreds of thousands of these bows were made and used for three hundred years. However, no one is known to survive today. We believe that a force of about one hundred pounds was needed to pull back the string all the way back on a long bow. For a long time the bow was just a bent stick and string. In fact, more changes have taken place in a bow in the past 25 years than in the last centuries. Today, the bow is forceful. It is as exact as a gun. In addition, it requires little strength to draw the string. Modern bows also have precise aim
A. Because it was too heavy.
B. Because it did not bend easily.
C. Because it did not shoot far.
D. Because its string was short.