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【单选题】
渐开线标准齿轮的根切现象发生在()的齿轮上。
A.
齿数较少
B.
齿数较多
C.
模数较小
D.
模数较大
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【简答题】用所给动词的适当形式填空。 1. How lovely it is! What about (climb) a hill today? 2. Jim is a top student, and he is good at (speak) English. 3. I think (camp) can make us happier than skiing. 4. Mr Wu is very kind...
【简答题】读句子,根据汉语提示补全单词。 1. We should pay more ______( 注意) to our living environment. 2. Students are taught to help and ______ (尊重) each other in schools. 3. The local ______ (政府) has taken actions to call on...
【单选题】Most people .
A.
have a feeling of not being in control
B.
have one or two fears about flying
C.
have a combination of fears about flying
D.
don't like being in a closed space
【简答题】比较两种神经纤维传导的特点。
【单选题】What is the most important part of teaching complaining?
A.
Creating a situation where students can complain.
B.
Providing model complaints for students to follow.
C.
Analyzing the languages and structures for complaints.
D.
Giving students practice on how to complain by role play.
【单选题】在四四拍节奏中,附点八分音符唱几拍?
A.
一拍
B.
四分之三拍
C.
四分之二拍
D.
二分之一拍
【单选题】三萜皂苷元含有多少个碳原子
A.
25
B.
27
C.
30
D.
35
E.
38
【判断题】三萜皂苷元含30个碳原子
A.
正确
B.
错误
【单选题】面对资源约束紧、环境污染严重、生态系统退化的趋势,必须树立()的生态文明理念
A.
尊重自然、顺应自然、保护自然
B.
尊重自然、顺应自然、改造自然
C.
尊重自然、保护自然、改造自然
D.
顺应自然、保护自然、改造自然
【简答题】下图是神经元的结构模式图,请据图回答问题。 (1)写出图中各部分结构的名称。 ①__________,③__________,④__________。 (2)神经元的基本结构包括【2】___________ 和【3】 两部分。神经元与其他种类的细胞相比较,在结构上的显著特点是具有__________。 (3)神经元的功能是_______________________________。 (4)神经...
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