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先给出一组或多组相关的词,要求你在备选答案中找出一组与之在逻辑关系上最为贴近或相似的词。
风筝:线
A. 锁:钥匙
B. 枪:子弹
C. 汽车:方向盘
D. 电脑:键盘
The Greatest Mystery Of Whales
The whale is a warm-blooded, air-breathing animal, giving birth to its young alive, sucking them-and, like all mammals, originated on land. There are many(51)of this. Its front flippers (鳍状肢), used for steering and stability, are traces of feet.
Immense strength is(52)into the great body of the big whales, and in fact most of a whale's body is one gigantic muscle. The blue whale's pulling strength has been estimated(53)400 horsepower. One specimen was reported to have towed (拖) a whaling vessel for seven hours at the(54)of eight knots (节).
An angry whale will(55)a ship. A famous example of this was the fate of whaler Essex,(56)was sunk off the coast of South America early in the last century. More recently, steel ships have(57)their plates buckled (使弯曲) in the same way. Sperm whales (抹香鲸) were known to seize the old-time whaleboats in their jaws and crush them.
The greatest(58)of whales is their diving ability. The sperm whale dives to the bottom for his(59)food, the octopus (章鱼). In that search he is known to go as far down as 3,200 feet, where the(60)is 1,400 pounds, to a square inch. Doing so he will(61)underwater long as one hour. Two special skills are involved in this: storing up enough(62)(all whales are air-breathed) and tolerating the great change in pressure. Just how he does it scientists have not (63) . It is believed that some of the oxygen is stored in a special(64)of blood vessels, rather than just held in the lungs. And it is believed that a special kind of oil in his head is some sort of compensating mechanism that(65)adjusts the internal pressure of his body. But since you can't bring a live whale into the laboratory, for study, no one knows just how these things work.
A. aspects
B. signs
C. ways
D. reasons
根据材料回答下列问题
2007年我国粮食种植面积10553万公顷,比上年增加70万公顷;棉花种植面积559万公顷,增加7万公顷;油料种植面积1094万公顷,减少60万公顷;糖料种植面积167万公顷,增加10万公顷。
全年粮食产量50150万吨,比上年增加350万吨,增产0.7%,其中:夏粮产量 1 1534万吨,增产1.3%;早稻产量3196万吨,增产0.3%;秋粮产量35420万吨,增产0.6%。
全年棉花产量760万吨,比上年增产1.3%。油料产量2461万吨,减产4.2%;糖料产量11110万吨,增产11.4%。烤烟产量239万吨,减产3.9%。茶叶产量114万吨,增产 10.9%。
全年肉类总产量6800万吨,比上年减少3.5%。其中,猪肉减少9.2%;牛、羊肉分别增长6.1%和5.8%。全年水产品产量4737万吨,增长3.3%。全年木材产量6974万立方米,增长5.5%。
2002年我国的粮食产量约为()。
A. 45722万吨
B. 44965万吨
C. 44761吨
D. 40709万吨
甲公司向乙公司签发一张出票日期为2006年4月1日的银行本票,则该银行本票的付款期限的最长日期至2006年6月1日。()
A. 正确
B. 错误