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问题 单项选择题

下述哪一项不是肝硬化代偿期的表现（）。

A.肝脏质地结实或偏硬

B.食管和胃底静脉曲张

C.乏力、食欲减退

D.脾脏中度肿大

E.肝功能轻度异常

答案

参考答案：E

解析：白蛋白水平下降，白细胞和血小板计数低于于正常，B超、CT、核磁共振检查提示肝表面不光滑，形态失常、脾厚等，或者胃镜检查有食道胃底静脉曲张，代偿期肝硬化常有以上表现。

单项选择题

In the second half of each year, many powerful storms are born in the tropical Atlantic and Caribbean seas. Of (91) , only about half a dozen (92) the p, circling winds of 75 miles per hour or more that give them hurricane status, and several usually (93) their way to the coast. There cause millions of dollars of (94) , and bring death to (95) numbers of people.
The great storms that hit the coast start (96) innocent circling disturbances hundreds, even thousands of miles out to sea. As they travel aimlessly over water (97) by the summer sun, they are carried westward by the (98) winds. When conditions are just (99) , warm, moist air flows in (100) the bottom of such a disturbance, moves upward through it and comes out at the top. In the (101) , the moisture in this warm air produces rain, and with it the heat is converted to energy in the form of p winds. As the heat increases, the (102) hurricane begins to swirl in a counter-clockwise motion.
The average life of a hurricane is only about nine days, but it contains almost (103) power than we can imagine. The energy in the heat released by a hurricane’s rainfall in a(n) (104) day would (105) the entire electrical needs of the United States for more than six months. Water, not wind, is the main (106) of death and destruction in a hurricane. A(n) (107) hurricane brings 6-to 12-inch downpours (108) in sudden floods. (109) is the powerful movement of the sea-the mountains of water moving toward the low-pressure hurricane center. The water level (110) as much as 15 feet above normal as it moves toward shore.

A．on

B．in

C．at

D．from
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单项选择题

主要用迟发性皮肤过敏试验诊断的原发性免疫缺陷病是（）

A.以抗体缺陷为主的原发性免疫缺陷病

B.原发性补体缺陷病

C.T细胞功能缺陷

D.吞噬细胞功能缺陷

E.固有免疫缺陷
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