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【单选题】
Just like the author stated here, ______.A.
the brain of an elephant accounts for 1/50 of his total weight
B.
many kinds of animals have brains larger than men have
C.
man's brain seldom weighs much over three pounds
D.
in proportion to his total weight, man's brain is the largest of animal brains
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皮皮学刷刷变学霸
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【简答题】打印服务器设置步骤有哪些?
【单选题】功能广泛,包括昼夜节律功能以及影响脑的神经递质代谢、体温调节、运动活动、喂养行为及睡眠。此外,还可引起体重的季节性变化、皮毛的颜色以及生殖行为的是
A.
去甲肾上腺素
B.
多巴胺
C.
褪黑素
D.
5-羟色胺
【单选题】下列关于心脏震颤的说法,错误的是
A.
震颤产生机制与杂音产生机制相似
B.
震颤是器质性心脏病的特征性体征
C.
有震颤一定能听到杂音，能听到杂音一定能触及震颤
D.
一定条件下杂音越响，震颤越强
E.
常见于某些先天性心脏病及心脏瓣膜狭窄时
【多选题】The fascia lata
A.
is the deep fascia of the thigh
B.
is thick on the lateral side and is known as the iliotibial tract
C.
encloses the tensor fascia latae superiorly
D.
is perforated by great saphenous vein inferolateral to the pubic tubercle and known as the saphenous hiatus
【简答题】A fascia is a band or sheet of (), primarily (), beneath the skin that attaches, stabilizes, encloses, and separates () and other internal organs.
【单选题】PM2.5是指空气中直径很小的颗粒,“2.5”是表示颗粒直径的数值,其直径还不到人的头发丝粗细的 20 1 ,下列选项中与PM2.5颗粒物大小相当的是( )
A.
米粒
B.
柳絮
C.
细菌
D.
原子
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