| Research on animal intelligence always
makes us wonder just how smart humans are. (1) the fruit-fly
experiments described by Carl Zimmer in the Science Times. Fruit flies who were
taught to be smarter than the average fruit fly (2) to live
shorter lives. This suggests that (3) bulbs burn longer, that
there is a(n) (4) in not being too bright. Intelligence, it (5) , is a high-priced option. It takes more upkeep, burns more fuel and is slow (6) the starting line because it depends on learning — a(n) (7) process — instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to (8) . Is there an adaptive value to (9) intelligence That’s the question behind this new research. Instead of casting a wistful glance (10) A. By accident B. In time C. So far D. Better still [判断题]二级动火时，工区分管生产的领导或技术负责人（总工程师）可不到现场。
A.正确 B.错误 [判断题]>需证明文件运输的货物,托运人未按规定提出证明文件,承运人应拒绝受理。 ( )
A.正确 B.错误 [单选题]列车在运行途中,因不明原因降弓,司机应立即( )。
A.切断主断路器并停车 B.紧急停车 C.降弓、停车 [判断题])在进行执法过程中,应告知周围群众,警察执法,不要围观,配合民警执法,避免误伤。必要时,使用警械对周围群众进行驱逐()
A.正确 B.错误 [判断题]高压蒸汽灭菌器在蒸汽排净后才能打开盖取出灭菌物品。( )
A.正确 B.错误 [单选题] 用于传输继电保护的通信通道在( )应进行测试验收.
A.投运前; B.投运后; C.开通前; D.开通后 [单选题]高层居住建筑消防电梯与防烟楼梯间合用前室 , 其合用前室面积不应小于() m2 。
A. 4.5 B. 6 C. 10 D. 15 [单选题]未接种卡介苗的婴幼儿OT试验阳性，提示( )
A.重症营养不良 B.机体反应较差 C.需接种卡介苗 D.患活动性结核病 E.曾有结核菌感染 [简答题]哪些情况，医师的处方权可由其所在的医疗机构取消？
[判断题]变位齿轮的缺点是必须成对设计、制造和使用,互换性差。: ( )
A.正确 B.错误 我来回答: 提交
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