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【单选题】
下列生理过程中存在负反馈机制的是A.
排尿反射
B.
排便反射
C.
减压反射
D.
血液凝固
E.
分娩
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】补全对话。 A: Good morning, boys and girls! My (1) ______ Bob Smith. B: (2) , Mr Smith! A: (3) ? B: My name is Jack. A: What's your (4) ? B: My phone number is 333－703812. A: (5) . B: You are welcome.
【简答题】近代数学没有在中国发展起来的原因在于:中国数学重实用,轻____;重算法,轻____;重结果,轻____,又没有建立一个符号系统。
【单选题】听力原文：W: Good morning, sir. Could I ask you to check in please? M: Of course. W: Your name, please? M: Gill Kemp. W: OK. Your room number is 3126. Now, fill in the form, if you would, please, Mr. Kemp....
A.
At a bank.
B.
At a hotel.
C.
In a post office.
【简答题】阅读理解。 Good afternoon, boys and girls. I'm Li Hong. I'm an English boy. Li Hong is my Chinese name. Look, this is a picture of my family. The tall man is my father. His name is Ken Martin. This is my m...
【单选题】The night was very dark, and suddenly a ________ of lightning lit the sky.
A.
trifle
B.
means
C.
revenge
D.
flash
【简答题】The night was very dark, and suddenly a _________ of lightning lit the sky.
【简答题】阅读理解。 Good afternoon, boys and girls. I'm Li Hong. I'm an English boy. Li Hong is my Chinese name. Look, this is a picture of my family. The tall man is my father. His name is Ken Martin. This is my m...
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