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【单选题】
某天气雷达的最大探测距离是300公里，雷达的脉冲重复频率是（）。
A.
2500Hz
B.
1000Hz
C.
500Hz
D.
3000Hz
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参考答案：
举一反三
【单选题】An analysis of company financial records shows that in every year that the company increased its advertising expenditures, sales increased. What can you say about the relationship between the two fac...
A.
Advertising expenditure and sales exhibited concomitant variation
B.
Increasing advertising expenditures led to increased sales.
C.
Increased sales led to an increase in advertising expenditures.
D.
Advertising and sales are inversely related.
查看完整题目与答案
【判断题】钢筋混凝土梁中纵筋的截断位置,在钢筋的理论不需要点处截断。 [单选题] *
A.
正确
B.
错误
查看完整题目与答案
【判断题】钢筋混凝土梁中纵筋的截断位置,在钢筋的理论不需要点处截断。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】A _____ strategy that is aimed at driving down expenditures in all functions usually fares best in a more _____ structure with more conservative norms.
A.
differentiation; flexible
B.
differentiation; stable
C.
low-cost; formal
D.
low-cost; organic
查看完整题目与答案
【单选题】下列选项中,完全正确的一项是( )
A.
政府审计的审计主体是国家审计机关。
B.
部门审计对被审计单位具有处罚权。
C.
社会审计的审计结果提交对象是本单位主要负责人。
D.
政府审计需要接受委托后才能提供审计服务。
查看完整题目与答案
【多选题】Which of the following best explains why research and development expenditures in the construction industry lag behind expenditures in some other industries.
A.
companies see little need to spend money since most competitors are not investing either.
B.
Owners and designers tend to be conservative in specifying new products,materials, and methods
C.
New technologies are not time-proven and put the project at risk.
D.
It is often dificult to protect from competitors new technologies that are successfully perfected
查看完整题目与答案
【多选题】胃溃疡肉眼的特点是
A.
溃疡多为一个
B.
切面呈斜的漏斗状
C.
溃疡边缘整齐
D.
直径一般小于2cm
E.
溃疡底部平滑
查看完整题目与答案
【单选题】除了哪一项外，下列均为胃溃疡的肉眼病变特点
A.
溃疡通常只有一个
B.
溃疡呈圆形或椭圆形
C.
溃疡直径一般大于2cm
D.
溃疡底部干净、光滑、边缘整齐
E.
溃疡深达肌层或浆膜层
查看完整题目与答案
【多选题】胃溃疡肉眼观的特点是（ ）
A.
溃疡多为1个
B.
切面呈斜的漏斗状
C.
溃疡边缘整齐
D.
直径一般<2cm
E.
溃疡底部平滑
查看完整题目与答案
【简答题】Suppose that real consumption expenditures in a nation are $10,000 million, real investment expenditures are $8,000 million, real government expenditures are $5,000 million, real expenditures on impor...
查看完整题目与答案
相关题目：
【单选题】An analysis of company financial records shows that in every year that the company increased its advertising expenditures, sales increased. What can you say about the relationship between the two fac...
A.
Advertising expenditure and sales exhibited concomitant variation
B.
Increasing advertising expenditures led to increased sales.
C.
Increased sales led to an increase in advertising expenditures.
D.
Advertising and sales are inversely related.
查看完整题目与答案
【判断题】钢筋混凝土梁中纵筋的截断位置,在钢筋的理论不需要点处截断。 [单选题] *
A.
正确
B.
错误
查看完整题目与答案
【判断题】钢筋混凝土梁中纵筋的截断位置,在钢筋的理论不需要点处截断。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】A _____ strategy that is aimed at driving down expenditures in all functions usually fares best in a more _____ structure with more conservative norms.
A.
differentiation; flexible
B.
differentiation; stable
C.
low-cost; formal
D.
low-cost; organic
查看完整题目与答案
【单选题】下列选项中,完全正确的一项是( )
A.
政府审计的审计主体是国家审计机关。
B.
部门审计对被审计单位具有处罚权。
C.
社会审计的审计结果提交对象是本单位主要负责人。
D.
政府审计需要接受委托后才能提供审计服务。
查看完整题目与答案
【多选题】Which of the following best explains why research and development expenditures in the construction industry lag behind expenditures in some other industries.
A.
companies see little need to spend money since most competitors are not investing either.
B.
Owners and designers tend to be conservative in specifying new products,materials, and methods
C.
New technologies are not time-proven and put the project at risk.
D.
It is often dificult to protect from competitors new technologies that are successfully perfected
查看完整题目与答案
【多选题】胃溃疡肉眼的特点是
A.
溃疡多为一个
B.
切面呈斜的漏斗状
C.
溃疡边缘整齐
D.
直径一般小于2cm
E.
溃疡底部平滑
查看完整题目与答案
【单选题】除了哪一项外，下列均为胃溃疡的肉眼病变特点
A.
溃疡通常只有一个
B.
溃疡呈圆形或椭圆形
C.
溃疡直径一般大于2cm
D.
溃疡底部干净、光滑、边缘整齐
E.
溃疡深达肌层或浆膜层
查看完整题目与答案
【多选题】胃溃疡肉眼观的特点是（ ）
A.
溃疡多为1个
B.
切面呈斜的漏斗状
C.
溃疡边缘整齐
D.
直径一般<2cm
E.
溃疡底部平滑
查看完整题目与答案
【简答题】Suppose that real consumption expenditures in a nation are $10,000 million, real investment expenditures are $8,000 million, real government expenditures are $5,000 million, real expenditures on impor...
查看完整题目与答案
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