若按演替进程时间的长短划分,演替可分为哪几类

题型:问答题

问题:

若按演替进程时间的长短划分,演替可分为哪几类

考点:专升本考试生态学基础专升本生态学基础
题型:问答题

— Why did John ask me about the problem?  

— _______,he tried to find a better way to settle it.   [ ]

A. Not to be satisfied                            

B. Not satisfied  

C. Not being satisfied                            

D. Don't satisfy

题型:问答题

Tom looked at Jenny, with tears______his eyes, and shouted out the words_______in his heart for years.[ ]

A. filling; having been hidden

B. filled; hidden

C. filling; hidden

D. filled; hiding

题型:问答题

请以“有这样一种声音”为题,写一篇不少于800字的文章,立意自定,文体自选。

题型:问答题

临床思维的基本原则有()

A.实事求是的原则,"一元论"原则

B.用发病率和疾病谱观点选择诊断的原则

C.首先考虑器质性疾病的诊断,然后考虑功能性疾病的原则

D.首先考虑可治的疾病的原则,简化思维程序的原则

E.见病见人的原则

题型:问答题

设置(调整)卷烟基数时,数据采集时间段越长越好,一般以()为限。

A.三个月

B.三周

C.三天

D.以上都不对

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