下载APP
【单选题】
第二心音逆分裂是指（）
A.
呼气时第二心音分裂变明显
B.
吸气时第二心音分裂变明显
C.
第二心音分裂与呼吸无关
D.
多见于二尖瓣狭窄伴肺动脉高压
E.
可见于先天性心脏病房间隔缺损
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ walness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】Conventional wisdom about conflict seems pretty much cut and dried. Too little conflict breeds apathy" (冷漠) and stagnation (呆滞). Too much conflict leads to divisiveness (分裂) and hostility. Moderate le...
A.
find it easier to reach agreement
B.
seem to be difficult to satisfy
C.
are less effective in decisions
D.
are free to express diverse opinions
【单选题】第二篇 Health or Profit Although there is no direct evidence that salt is the cause of high blood pressure ar "hypertension", there are studies which indicate that reducing salt intake lowers blood press...
A.
the small reduced salt bread tastes the same as the standard content one
B.
most people can distinguish the content of salt in bread
C.
standard bread is different in taste from 20% reduced salt bread
D.
the less salt content of bread, the poorer taste it has
【单选题】第二篇 A Fire near Waco Six years later, in an about-face, the Federal Bureau of Investigation(FBI) admits that federal agents fired tear gas canisters capable of causing a fire at the Bran...
A.
neutral
B.
bitter
C.
excited
D.
expectant
【单选题】第二篇 We all age at different rates. Heredity clearly plays an important part. But recent research studies by gerontologists indicate that life-style may be equally significant in determin...
A.
Enjoying life is one of the best ways to lengthen it.
B.
Teaching others to live an active life.
C.
Avoiding death is more important than living.
D.
We should use our senses keenly.
【多选题】偶合常数反应的是核磁共振谱线自旋-自旋分裂的特点,具体的有( )。
A.
各谱线分量之间的距离相等
B.
谱线分量的间距与外磁场强度无关
C.
谱线各分量的强度是对称分布的，并与多项式 (a+b)n 的系数成正比
D.
如果对它发生作用的原子核（I=1/2）数目为n，那么谱线就分裂为（n+1）条多重线
【单选题】干细胞的对称分裂是指（）
A.
形成两个一样大小的细胞
B.
形成一个保持原有细胞特性的干细胞和一个分化细胞或祖细胞
C.
形成两个保持原有细胞特性的干细胞
D.
形成两个分化的细胞
E.
形成两个胚胎干细胞
【多选题】属于“第二理想国”的教育观是()
A.
哲学被取消了
B.
有了明确的规定
C.
专管教育的长官
D.
定了学校的兴建
E.
提出要控制人口过度增长
F.
首次提到了强迫教育
【单选题】下列关于细胞分裂和细胞分化的叙述中,错误的是( )。
A.
生物体的生长发育是细胞分裂和细胞分化的结果。
B.
细胞分化过程中细胞中的遗传物质逐渐减少
C.
细胞分裂是细胞分化的基础
D.
细胞分化发生在生物体的整个生命进程中
【单选题】第二心音是( )
A.
标志心室收缩期的开始
B.
标志心室舒张期的开始
C.
以心尖部最强且清晰
D.
是心室壁、房室壁、腱索和乳头肌振动而产生
E.
是左右房室瓣骤然关闭的振动所致
相关题目：
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ walness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】Conventional wisdom about conflict seems pretty much cut and dried. Too little conflict breeds apathy" (冷漠) and stagnation (呆滞). Too much conflict leads to divisiveness (分裂) and hostility. Moderate le...
A.
find it easier to reach agreement
B.
seem to be difficult to satisfy
C.
are less effective in decisions
D.
are free to express diverse opinions
【单选题】第一心音与第二心音相比()。
A.
前者音调低
B.
后者持续时间长
C.
后者钝浊
D.
以上都是
E.
以上都不是
【单选题】第二篇 Health or Profit Although there is no direct evidence that salt is the cause of high blood pressure ar "hypertension", there are studies which indicate that reducing salt intake lowers blood press...
A.
the small reduced salt bread tastes the same as the standard content one
B.
most people can distinguish the content of salt in bread
C.
standard bread is different in taste from 20% reduced salt bread
D.
the less salt content of bread, the poorer taste it has
【单选题】引起第二心音固定分裂的常见疾病是
A.
二尖瓣狭窄
B.
缩窄性心包炎
C.
二尖瓣关闭不全
D.
房间隔缺损
E.
室间隔缺损
【单选题】第二心音发生在
A.
等容收缩期末
B.
快速射血期
C.
减慢射血期
D.
等容舒张期
E.
心室充盈期
【单选题】第二恒磨牙的牙胚形成于
A.
出生前后
B.
胚胎第4个月
C.
胚胎第4周
D.
胚胎第2个月
E.
出生1年后
【单选题】第二篇 We all age at different rates. Heredity clearly plays an important part. But recent research studies by gerontologists indicate that life-style may be equally significant in determin...
A.
Enjoying life is one of the best ways to lengthen it.
B.
Teaching others to live an active life.
C.
Avoiding death is more important than living.
D.
We should use our senses keenly.
【单选题】第二心音产生的机理主要是( )
A.
两个房室瓣关闭时的震动
B.
乳头肌拉紧时的震动
C.
心室壁的震动
D.
两个半月瓣关闭时的震动
E.
血液流动的声音
【单选题】()是第二还款来源。
A.
专门还款准备金
B.
借款人的存款账户资金
C.
贷款担保
D.
其他借款人的资金
【多选题】偶合常数反应的是核磁共振谱线自旋-自旋分裂的特点,具体的有( )。
A.
各谱线分量之间的距离相等
B.
谱线分量的间距与外磁场强度无关
C.
谱线各分量的强度是对称分布的，并与多项式 (a+b)n 的系数成正比
D.
如果对它发生作用的原子核（I=1/2）数目为n，那么谱线就分裂为（n+1）条多重线
【单选题】二心音的产生标志着
A.
心室收缩
B.
心室舒张
C.
心房收缩
D.
心房舒张
E.
全心舒张
【多选题】植物细胞的分裂方式有( )
A.
无丝分裂
B.
有丝分裂
C.
减数分裂
D.
增数分裂
【单选题】第二心音的产生主要是
A.
心室收缩
B.
心房收缩
C.
主，肺动脉瓣关闭
D.
二，三尖瓣关闭
E.
主，肺动脉瓣开放
【单选题】动物界的第二大门是（）
A.
节肢动物门
B.
软体动物门
C.
原生动物门
D.
环节动物门
【单选题】干细胞的对称分裂是指（）
A.
形成两个一样大小的细胞
B.
形成一个保持原有细胞特性的干细胞和一个分化细胞或祖细胞
C.
形成两个保持原有细胞特性的干细胞
D.
形成两个分化的细胞
E.
形成两个胚胎干细胞
【多选题】属于“第二理想国”的教育观是()
A.
哲学被取消了
B.
有了明确的规定
C.
专管教育的长官
D.
定了学校的兴建
E.
提出要控制人口过度增长
F.
首次提到了强迫教育
【单选题】下列关于细胞分裂和细胞分化的叙述中,错误的是( )。
A.
生物体的生长发育是细胞分裂和细胞分化的结果。
B.
细胞分化过程中细胞中的遗传物质逐渐减少
C.
细胞分裂是细胞分化的基础
D.
细胞分化发生在生物体的整个生命进程中
【单选题】第二心音是( )
A.
标志心室收缩期的开始
B.
标志心室舒张期的开始
C.
以心尖部最强且清晰
D.
是心室壁、房室壁、腱索和乳头肌振动而产生
E.
是左右房室瓣骤然关闭的振动所致