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【单选题】
医学专家认为:多吃盐容易使人患高血压,心肌梗塞,但没有盐的食物又寡淡无味。为解决这一难题,科学家研制出了“保健盐”,其特点是调整了盐的化学成分,使其既能满足人的需要,又不至于对人体产生不利影响。“保健盐”的研制过程表明
A.
人们主观能动性的发挥决定规律发生作用的大小
B.
人们可以发挥主观能动性改造规律
C.
人们对规律的认识无法突破客观条件的制约
D.
人们能够创造条件认识和利用规律
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举一反三
【单选题】透视时,一般 X 线机的管电流为____
A.
小于 5mA
B.
20 ～ 50mA
C.
50 ～ 100mA
D.
200 ～ 300mA
查看完整题目与答案
【单选题】不符合室性早搏特点的是( )
A.
QRS-T波群提前出现
B.
QRS-T波群前没有P波
C.
提前出现的QRS波群形态异常,时限常≥0.12s
D.
早搏后可见一完全代偿间歇
E.
ST段抬高
查看完整题目与答案
【单选题】交界性早搏的主要诊断条件是
A.
逆行P'波提前出现，P'-P间期＞0.12s
B.
P'波提前出现，P'-R间期＞0.12s
C.
代偿间期常不完全
D.
QRS波提前出现，时限≥0.12s
E.
逆行P'波提前出现，可落在QRS波之前，P' -R间期＜0.12s
F.
落在QRS波之后，R-P'间期＜0.20s，有时埋在QRS波之中而不见
G.
代偿间期常完全
查看完整题目与答案
【单选题】听力原文：W: How are the pictures you took in New York? Jack told me they were wonderful, and I can't wait to see them. M: I'm glad to hear that. But I'm sorry that the pictures are not ready yet. Q: What ...
A.
He isn't ready to show his pictures yet.
B.
He isn't ready to take pictures yet.
C.
The pictures are still being processed.
D.
He wants the woman to take a picture of him.
查看完整题目与答案
【单选题】P波时限≥0.12s常见于
A.
右心房肥大
B.
左心室肥大
C.
左心房肥大
D.
右心室肥大
E.
双侧心室肥大
查看完整题目与答案
【单选题】( )是国家和民族安全的重要保障，是国家和民族生存与发展的基本前提。
A.
国防
B.
经济
C.
主权
查看完整题目与答案
【单选题】透视时,一般X线机的管电流为( )。
A.
小于5毫安
B.
20-50毫安
C.
50-100毫安
D.
200-300毫安
查看完整题目与答案
【单选题】From reading the prior year audit file you have just realised that Mason funded the original purchase of each aircraft with a secured loan carrying substantial interest charges. The loan is in the pro...
A.
Disclosure relating to the secured loan may be omitted from the financial statements
B.
Mason’s going concern status may be at risk if the contract is not renewed
C.
That interest charges may be understated
D.
That the bank will rely on the audited financial statements when deciding whether to renew the loan
查看完整题目与答案
【单选题】透视时,一般X线机的管电流为( )
A.
小于5mA
B.
5-10mA
C.
10-50mA
D.
100-200mA
E.
200-500mA
查看完整题目与答案
【单选题】听力原文：W: It's too bad you are late today, the teacher told us a good story. He said all of us will write a composition on that. M: That means I'll have to do twice as much work. Q: How does the man fee...
A.
Indifferent.
B.
Worried.
C.
Happy.
D.
Angry.
查看完整题目与答案
相关题目：
【单选题】透视时,一般 X 线机的管电流为____
A.
小于 5mA
B.
20 ～ 50mA
C.
50 ～ 100mA
D.
200 ～ 300mA
查看完整题目与答案
【单选题】不符合室性早搏特点的是( )
A.
QRS-T波群提前出现
B.
QRS-T波群前没有P波
C.
提前出现的QRS波群形态异常,时限常≥0.12s
D.
早搏后可见一完全代偿间歇
E.
ST段抬高
查看完整题目与答案
【单选题】交界性早搏的主要诊断条件是
A.
逆行P'波提前出现，P'-P间期＞0.12s
B.
P'波提前出现，P'-R间期＞0.12s
C.
代偿间期常不完全
D.
QRS波提前出现，时限≥0.12s
E.
逆行P'波提前出现，可落在QRS波之前，P' -R间期＜0.12s
F.
落在QRS波之后，R-P'间期＜0.20s，有时埋在QRS波之中而不见
G.
代偿间期常完全
查看完整题目与答案
【单选题】听力原文：W: How are the pictures you took in New York? Jack told me they were wonderful, and I can't wait to see them. M: I'm glad to hear that. But I'm sorry that the pictures are not ready yet. Q: What ...
A.
He isn't ready to show his pictures yet.
B.
He isn't ready to take pictures yet.
C.
The pictures are still being processed.
D.
He wants the woman to take a picture of him.
查看完整题目与答案
【单选题】P波时限≥0.12s常见于
A.
右心房肥大
B.
左心室肥大
C.
左心房肥大
D.
右心室肥大
E.
双侧心室肥大
查看完整题目与答案
【单选题】( )是国家和民族安全的重要保障，是国家和民族生存与发展的基本前提。
A.
国防
B.
经济
C.
主权
查看完整题目与答案
【单选题】透视时,一般X线机的管电流为( )。
A.
小于5毫安
B.
20-50毫安
C.
50-100毫安
D.
200-300毫安
查看完整题目与答案
【单选题】From reading the prior year audit file you have just realised that Mason funded the original purchase of each aircraft with a secured loan carrying substantial interest charges. The loan is in the pro...
A.
Disclosure relating to the secured loan may be omitted from the financial statements
B.
Mason’s going concern status may be at risk if the contract is not renewed
C.
That interest charges may be understated
D.
That the bank will rely on the audited financial statements when deciding whether to renew the loan
查看完整题目与答案
【单选题】透视时,一般X线机的管电流为( )
A.
小于5mA
B.
5-10mA
C.
10-50mA
D.
100-200mA
E.
200-500mA
查看完整题目与答案
【单选题】听力原文：W: It's too bad you are late today, the teacher told us a good story. He said all of us will write a composition on that. M: That means I'll have to do twice as much work. Q: How does the man fee...
A.
Indifferent.
B.
Worried.
C.
Happy.
D.
Angry.
查看完整题目与答案