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3月24日是“世界防治结核病日”，结核病是由结核杆茵引起的慢性传染病．我国目前有500万活动性肺结核患者，接种卡介苗、积极参加“每天锻炼一小时”活动①、不随地吐痰②可以有效预防该病．按医嘱规范用药，结核病人可以得到有效治疗并治愈． （1）结核杆菌的细胞结构中，没有的______，其中分布有DNA． （2）接种卡介苗后，体内会产生一种抵抗结核杆菌的特殊蛋白质，称为______，这属于特异性免疫． （3）资料中的①和②，属于切断传播途径的是______． （4）链霉素等抗生素可以有效治疗结核病，它能杀死病毒吗？______．该药物包装上没有“0TC”字样，能自行购买吗？______． （5）不规范的用药，会导致结核杆菌产生更多的耐药性个体．这些耐药细菌的出现可以用达尔文的“______”学说来解释．
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【简答题】Venice is the world's famous island city in northern Italy. Founded in the 5th century, Venice became a major maritime power in the 10th century. In the Middle Ages and the Renaissance, Venice was a m...
【单选题】听力原文： La Fenice, Venice's historic opera house which was destroyed by fire eight years ago, has reopened with a gala performance of Giuseppe Verdi's opera 'La Travolta'. The first performance of 'Trav...
A.
It caught on*fire in January 1996.
B.
Two. electricians Were sent to prison because of the accident.
C.
The theatre was reconstructed.
D.
The theater hasn't been put into use yet.
【单选题】对于维生素D缺乏性佝偻病的患儿,实验室检查数据为
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血清白蛋白降低宋春目押本及团
B.
血红蛋白降低不朝小封真
C.
血钾降低中前限封制
D.
血碱性磷酸酶降低
E.
钙磷乘积降低
【单选题】Venice September 20 — The Venice Tourism Board is launching a new advertising campaign to draw visitors to the city. Using images of James Franco, the region' s best known seventeenth-century painter,...
A.
The opening of a train station
B.
Plans to attract tourists to the city
C.
The renovation of an art museum
D.
Recommended restaurants
【简答题】Complete the sentences. Use the correct form of the verbs in the box.
【单选题】According to the passage, we can infer all of the following EXCEPT that______.
A.
Venice's buildings are supported by ancient wooden pilings
B.
Venice has less noise than most cities
C.
the kayak avoided overturning with the help of the pilings
D.
The Grand Canal is seldom busy with boat traffic
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