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香蕉果实成熟过程中,果实中的贮藏物不断代谢转化,香蕉逐渐变甜。图A中I、II两条曲线分别表示香蕉果实成熟过程中两种物质含量的变化趋势。取成熟到第X天和第Y天的等量香蕉果肉,分别加等量的蒸馏水制成提取液,然后在a、b试各加5mL第X天的提取液,在c、d试各加5mL第Y天的提取液,如图B。请回答: 在a、c试各加入等量碘液后,a管呈蓝色,与a管相比c管的颜色更()两被检测的物质是()
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举一反三
【单选题】Prof. Lee's book will show you ______ can be used in other contexts.
A.
that you have observed
B.
that how you have observed
C.
how that you have observed
D.
how what you have observed
查看完整题目与答案
【单选题】心肌梗死症状中最先出现下列哪一项
A.
发热
B.
瘁痛
C.
恶心呕吐
D.
呼吸困难
E.
昏厥
查看完整题目与答案
【单选题】Professor Lee's book will show you how you have observed that can be used in other contexts.
A.
that you have observed
B.
that how you have observed
C.
how that you have observed
D.
how what you have observed
查看完整题目与答案
【单选题】心肌梗死症状中最先出现下列哪一项
A.
发热
B.
疼痛
C.
恶心、呕吐
D.
呼吸困难
E.
晕厥
查看完整题目与答案
【单选题】对一表现为急性起病,肢体对称性、进行性、弛缓性瘫痪的患儿,最合适的辅助检查是
A.
脑电图
B.
脊髓MRI
C.
脑脊液常规、生化检查
D.
粪中找脊髓灰质炎病毒
E.
肌肉活梭
查看完整题目与答案
【单选题】有关Balo病MRI表现,叙述错误的是()
A.
MRI显示额叶、顶叶、枕叶、颞叶白质区洋葱头样黑白相间的类圆形病灶
B.
MRI显示额叶、顶叶、枕叶、颞叶臼质区树木年轮样黑白相间的类圆形病灶
C.
病灶直径多1.5~3cm间
D.
仔细检查视神经、脑干和脊髓可有与MS相似的分离病灶
E.
T 2 加权MRI上低信号环为脱髓鞘带,等信号是正常髓鞘保留带
查看完整题目与答案
【单选题】Professor King's book will show you ______ can be used in other context.
A.
that you have observed
B.
that how you have observed
C.
how that you have observed
D.
how what you have observed
查看完整题目与答案
【单选题】关于脑毛细血管扩张的MRI表现,下列哪种说法是正确的()
A.
病理上由扩张的毛细血管组成,管壁含有平滑肌和弹力纤维
B.
幕上最多见,其次为小脑、脑干和脊髓
C.
梯度回波T2WI呈明显低信号,与脱氧血红蛋白引起局部磁场不均匀有关
D.
多数表现为T1WI和T2WI均为高信号
E.
常规SE序列T1WI和T2WI可无异常发现,GD-DTPA增强后多数表现为脑回状强化
查看完整题目与答案
【单选题】—Helen. You have come back from Dalian. Have you taken any photos? —Yes, I’ll tomorrow.
A.
show them to you
B.
show you it
C.
show you to them
D.
show it to you
查看完整题目与答案
【单选题】在变量泵的液压系统中,最大工作压力是10WPa,安全阀的调定压力是( )。
A.
等于10MPa
B.
大于10MPa
C.
小于10MPa
D.
0
查看完整题目与答案
相关题目:
【单选题】Prof. Lee's book will show you ______ can be used in other contexts.
A.
that you have observed
B.
that how you have observed
C.
how that you have observed
D.
how what you have observed
查看完整题目与答案
【单选题】心肌梗死症状中最先出现下列哪一项
A.
发热
B.
瘁痛
C.
恶心呕吐
D.
呼吸困难
E.
昏厥
查看完整题目与答案
【单选题】Professor Lee's book will show you how you have observed that can be used in other contexts.
A.
that you have observed
B.
that how you have observed
C.
how that you have observed
D.
how what you have observed
查看完整题目与答案
【单选题】心肌梗死症状中最先出现下列哪一项
A.
发热
B.
疼痛
C.
恶心、呕吐
D.
呼吸困难
E.
晕厥
查看完整题目与答案
【单选题】对一表现为急性起病,肢体对称性、进行性、弛缓性瘫痪的患儿,最合适的辅助检查是
A.
脑电图
B.
脊髓MRI
C.
脑脊液常规、生化检查
D.
粪中找脊髓灰质炎病毒
E.
肌肉活梭
查看完整题目与答案
【单选题】有关Balo病MRI表现,叙述错误的是()
A.
MRI显示额叶、顶叶、枕叶、颞叶白质区洋葱头样黑白相间的类圆形病灶
B.
MRI显示额叶、顶叶、枕叶、颞叶臼质区树木年轮样黑白相间的类圆形病灶
C.
病灶直径多1.5~3cm间
D.
仔细检查视神经、脑干和脊髓可有与MS相似的分离病灶
E.
T 2 加权MRI上低信号环为脱髓鞘带,等信号是正常髓鞘保留带
查看完整题目与答案
【单选题】Professor King's book will show you ______ can be used in other context.
A.
that you have observed
B.
that how you have observed
C.
how that you have observed
D.
how what you have observed
查看完整题目与答案
【单选题】关于脑毛细血管扩张的MRI表现,下列哪种说法是正确的()
A.
病理上由扩张的毛细血管组成,管壁含有平滑肌和弹力纤维
B.
幕上最多见,其次为小脑、脑干和脊髓
C.
梯度回波T2WI呈明显低信号,与脱氧血红蛋白引起局部磁场不均匀有关
D.
多数表现为T1WI和T2WI均为高信号
E.
常规SE序列T1WI和T2WI可无异常发现,GD-DTPA增强后多数表现为脑回状强化
查看完整题目与答案
【单选题】—Helen. You have come back from Dalian. Have you taken any photos? —Yes, I’ll tomorrow.
A.
show them to you
B.
show you it
C.
show you to them
D.
show it to you
查看完整题目与答案
【单选题】在变量泵的液压系统中,最大工作压力是10WPa,安全阀的调定压力是( )。
A.
等于10MPa
B.
大于10MPa
C.
小于10MPa
D.
0
查看完整题目与答案