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【单选题】
原始心脏发生于A.
口咽膜前方的内胚层
B.
口咽膜前方的中胚层
C.
口咽膜两侧的中胚层
D.
口咽膜尾侧的中胚层
E.
口咽膜前方的外胚层
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反馈参考答案：
举一反三
【简答题】EIQ分析的主要内容包括哪些？
【单选题】According to the professor, what important function do death rituals serve?
A.
They explain the medical causes of a person's death.
B.
They allow friends and family to get to know each other.
C.
They help people accept practices of different cultures.
D.
They provide a way to manage the grief caused by death.
【单选题】What is the function of the hepatopancreatic sphincter?
A.
As it contracts, it squeezes pancreatic secretions into the duodenum.
B.
It controls the entry of bile and pancreatic juices into the alimentary canal.
C.
It inhibits defecation in the upper alimentary canal while the anal sphincters do the same in the lower regions.
D.
It prevents the movement of bile into the gallbladder
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