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1
题型:简答题
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单选题

According to the passage, which of the following people was most likely to give a Sioux baby its original name

A.A member of the father's family.
B.A member of the mother's family.
C.The wife of the medicine man.
D.The bravest warrior in the village.

正确答案

A

解析

文章第二句“A Sioux baby was named soon after birth―usually by a medicine man or a paternal relative”指出,由“有法术之人”或“父系亲属”为婴儿命名,因此应选A。

1
题型:简答题
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单选题

All of the following whales belong to the suborder of Odontoceti EXCEPT ______.

A.narwhals
B.dolphins
C.blue whales
D.pilot whales

正确答案

C

解析

文章第二句“Both beluga and dolphin belong to the suborder of toothed whales known as Odontoceti,along with porpoises,narwhals,pilot whales,killer whales and the largest toothed creature in the world,the sperm whale”提到了有齿鲸的各种亚目,唯独没有blue whale,因此选C。

1
题型:简答题
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单选题

According to the passage, which of the following accurately describes the relative sizes of two whales

A.The blue whale is larger than the sperm whale.
B.The beluga is larger than the blue whale.
C.The killer whale is larger than the sperm whale.
D.The porpoise is larger than the killer whale.

正确答案

A

解析

本题为细节题。文章多处提到了几种鲸的大小。而第二段有一句“This whale is by far the largest creature that has ever lived on earth”,其中“This whale”指的是“blue whale”,可见蓝鲸是所有鲸中最大的,因此选A。

1
题型: 单选题
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单选题 · 1 分

分泌胰岛素的细胞是

Aδ细胞

BP细胞

Cα细胞

Dβ细胞

E导管细胞

正确答案

D

解析

本题考查的是胰岛素。胰岛素是由胰岛B细胞分泌的。

1
题型: 单选题
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单选题 · 1 分

与脊柱结核有关的体格检查方法是

A抽屉试验

B直腿抬高试验

C“4”字试验

D拾物试验

E研磨试验

正确答案

D

解析

脊柱结核的临床表现:1.起病缓慢、低热、盗汗;2.疼痛是最先出现的症状;3.病变部位有压痛及叩痛;4.活动受限和畸形;腰椎病变可有拾物试验阳性(腰僵直)。5.寒性脓肿是少数患者就医的最早体征。

下一知识点 : 硫化氢的物理性质
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