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与慢性淋巴细胞白血病相符合的细胞化学染色（）。
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急性胰腺炎时，血清淀粉酶升高的规律是（）
烟草专卖行政主管部门办理行政处罚案件移送时接受单位可以是司法机关。
血细胞计数应选用的抗凝剂是（）。
Question 45-48 The horse preceded man on earth. Although the earliest remains of primitive horses have been found on the North American continent, many scientist believe this small species traveled over a land mass in the Bering Sea to found the beginnings of the modern horse in Asia. It became extinct in America. Other scientists believe that the horse may have originated in Asia. In any event the animal soon spread into China, Europe, and the Middle East. The first modern horses to be introduced into the American continent came with the early Spanish explorers. Horses were bred into many types. The heavy horses developed in the low countries of Europe and were used for Arabian. The only true wild horses left in the 20th century are found in Mongolia. Horses are said to rate in intelligence after the ape, elephant, and dog. They have excellent memories and can sometimes find their way home when lost, and sense danger better that their masters. The early civilizations of man that had made use of ht horse developed more rapidly than those which did not. Some of the characteristics of the horse are _________
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