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【单选题】
在分类检索语言中,是用 和类目名称(分类词或分类名)来表达各种事物概念,并将它们按学科范畴和等级体系来排列。
A.
代码
B.
序号
C.
分类号
D.
数字
拍照语音搜题,微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】A.Because he could stay with his relatives. B.Because a trip to that place is within his budget. C.Because the man wants to improve his English. D.Because the man Wants to make some new friends.
【单选题】下列有关精子的结构哪项是错误的?
A.
细胞核浓缩构成头部
B.
核的前2/3覆盖有顶体
C.
尾部分为颈段、中段、主段和末段
D.
精子尾部的中轴是由微管组成的轴丝
E.
尾部的颈段线粒体呈螺旋状排列
【单选题】槟榔肝的形成是由于
A.
肝小叶间静脉淤血和结缔组织增生
B.
肝脏出血和肝细胞坏死
C.
肝细胞坏死和结缔组织增生
D.
中央静脉及肝窦淤血和肝细胞脂肪变性
E.
肝细胞变性坏死
【单选题】He took off his expensive watch _________ the fact that he was rich. A. to hide B. hid C. hide D. hidden
A.
to hide
B.
hid
C.
hide
D.
hidden
【单选题】She could not hide her ______ at the way he was dancing.
A.
entertainment
B.
enjoyment
C.
delight
D.
amusement
【简答题】篇章结构。 __ 1 __ He had more money than he could ever spend,and he was admired and looked up to by his community.__ 2 __ He wasn't happy.All his life he had been pursuing happiness and striving(奋斗)for ha...
【单选题】某健康女性, 28 岁,已婚,未孕,其子宫峡部长度正常情况下约为( )
A.
0.5cm
B.
1.0cm
C.
2.5cm
D.
1.5cm
E.
2.0cm
【单选题】法洛四联症患儿应注意保证液体人量防止脱水,其主要目的是()
A.
预防休克
B.
预防心力衰竭
C.
预防血管栓塞
D.
预防肾衰竭
E.
预防便秘
【简答题】He could not hide his (irritate) ________ when his daughter contradicted what he said.
【单选题】The author could not find a palce to hide, so he had a minor head injuries.
A.
T
B.
F
C.
NG
D.
None
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