更多“关于驾驶人在实习期内驾驶机动车上高速公路行驶，下列表述正确的”相关的问题
非洲的经济特征是（）
A.以农业为主的经济B.以采矿业为主的经济C.殖民地色彩的单一经济D.多种经营的民族经济
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禁止向大坝管辖区域的上下游河道倾倒施工废弃物。
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下列行为，可以判处死刑的有( )
A．故意伤害他人造成伤害结果的
B．以残忍的手段故意伤害他人但是没有造成他人残疾的
C．过失伤害他人，并致人残疾的
D．以特别残忍的手段故意伤害他人并造成严重残疾的
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井下有害气体中对矿井危害最大是（）。
A.CO
B.CH4
C.CO2
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People become quite illogical when they try to decide what can be eaten and what cannot. If you live...The best title of this passage might be "_____".
A．One Man’s Meat is Another Man’s Poison
B．Foods and Cultures
C．Snail and Octopus
D．People Are Illogical in Front of Delicacies
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电话调查法的优点包括（）
A取得调查结果快
B母体不完整
C节省调查时间
D节省费用支出
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商业用房贷款加按期限加剩余贷款年限最长不超过（）年，且满足商业用房房龄与贷款年限之和不超过（）年，同时满足借款人现在年龄＋贷款期限≤70年。
A . A、10，10
B . B、10，20
C . C、10，30
D . D、15，30
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附子的来源是
A．毛莨科植物乌头子根的加工品B．毛莨科植物北乌头侧根的加工品C．毛莨科植物乌头的主根D．毛莨科植物北乌头的主根E．毛莨科植物草乌的主根
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园林是土地、水体、植物和建筑四者的综合，（）、理水、植物配置、建筑营造也成为造园的四项主要内容。
A.筑山
B.整地
C.置石
D.筑路
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64，32，48，120，420，( )
A．360 B．640 C．1080 D．1890
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下列选项能关闭数据库文件的命令是（）
A.close all
B.use
C.close database all
D.close
E.open database
F.modify database
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When early humans hunted and gathered food, they were not in control of their environment. They could only interact with their surroundings as lower organisms did. When humans learned to make fire, however, they became capable of altering or changing their environment. To provide themselves with fuel they stripped bark from trees, causing the trees to die. Clearings were burned in forests to increase the growth of grass and to provide a greater grazing area fro the wild animals that humans fed upon. This development led to farming and the domestication of animals. Fire also provided the means for cooking plants which has previously been inedible. Only when the process of meeting the basic need for food reached a certain level of sophistication was it possible for humans to follow other pursuits such as the founding of cities. Which of the following is the best title for this passage?
A. The Development of Civilization B. The Evolution of Farming Techniques C. Basic Food-gathering Techniques D. Hunting as a Source of Food
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能直接杀伤肿瘤细胞的细胞因子是（ ）
A.EPO B.GM-CSF C.TGF-β D.IL-2 E.TNF-α
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空调加热器的等湿加热，会使空气的：（）
A.焓增加
B.相对湿度不变
C.温度上升
D.A+C
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