该部进驻高原环境习惯后,脂肪供能的比例可达到多少( )。
A.5%~9%
B.10%~19%
C.20%~25%
D.30%~35%
参考答案:D
有关烧伤患者营养检测,下列说法不确切的是()。
A.实际体重较伤前下降超过10%~15%表示营养摄入不足
B.估计烧伤早期瘦体组织时常测量上臂肌周径
C.肌酐/身高指数可用以评价瘦体组织
D.尿三甲基组氨酸可反映骨骼肌蛋白分解情况
E.淋巴细胞计数可用于营养测定
Research on animal intelligence always makes me wonder just how smart humans are. (91) the fruitfly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly (92) to live shorter lives. This suggests that (93) bulbs burn longer, that there is an (94) in not being too terrifically bright.Intelligence, it (95) , is a high-priced option. It takes more upkeep, burns more fuel and is slow (96) the starting line because it depends on learning—a gradual (97) —instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to (98) .Is there an adaptive value to (99) intelligence That’s the question behind this new research. I like it. Instead of casting a wistful glance (100) at all the species we’ve left in the dust I.Q. wise, it implicitly asks what the real (101) of our own intelligence might be. This is (102) the mind of every animal I’ve ever met.Research on animal intelligence also makes me wonder what experiments animals would (103) on humans if they had the chance. Every cat with an owner, (104) , is running a small-scale study in operant conditioning, we believe that (105) animals ran the labs, they would test us to (106) the limits of our patience, our faithfulness, our memory for terrain. They would try to decide what intelligence in humans is really (107) , not merely how much of it there is. (108) , they would hope to study a (109) question. Are humans actually aware of the world they live in (110) the results are inconclusive.
A.off
B.behind
C.over
D.along