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【单选题】
全要素生产率（TFP）是指在各种生产要素的投入水平既定的条件下，所达到的额外增加的生产效率。它有三个一是效率的改善；二是技术进步；三是规模效应。以下属于提高全要素生产率的途径是（） ①推动产业结构优化升级和技术创新 ②促进“引进来”和“走出去”更好结合 ③加强科学管理，优化配置生产要素 ④不断增强国有经济的控制力、影响力
A.
①②
B.
②③
C.
①③
D.
③④
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参考答案：
举一反三
【单选题】听力原文：W: Bob must have caught the flu. He said he had a pain in iris heed and lost appetite for everything. He should see a doctor. M: If Mary can come back, he will be full of life. Love cannot be enf...
A.
He has caught a cold.
B.
He will recover soon.
C.
He was enforced to see a doctor.
D.
He has fallen out of love.
查看完整题目与答案
【多选题】A 50-year-old man has had pain in the left shoulder and arm for the past 12 hours. Over the next 6 hours, he develops shortness of breath, which persists for 2 days. The patient is admitted to the hos...
A.
Intermittent platelet aggregation
B.
Thrombosis
C.
Ulceration of the plaque surface
D.
Thinning of the media
E.
Hemorrhage into the plaque substance
查看完整题目与答案
【单选题】A 27-year-old male, presents with a low-grade fever, and nonproductive cough after catching a cold 3 days ago. He also has pain in the left chest which can be worsened during deep breath. X-Ray reveal...
A.
Velcro-like sound
B.
Coarse and medium crackles
C.
Wheezes
D.
Pleural rubs
E.
Sonorous rhonchi
查看完整题目与答案
【单选题】关于细胞壁的功能,下列不正确的是
A.
维持细菌固有形态
B.
与细胞内外的物质交换有关
C.
决定细菌的分裂
D.
是细菌外层结构，比较坚韧，有弹性
E.
带有多种抗原决定簇，决定了菌体的免疫原性
查看完整题目与答案
【单选题】A patient presents complaining of bloodstained stools and the inability to completely empty his rectum. He also has pain along the back of his thigh and weakness of the posterior thigh muscles. Digita...
A.
Inferior hypogastric
B.
Inferior mesenteric
C.
Lumbar
D.
Sacral
E.
Superior hypogastric
查看完整题目与答案
【简答题】--- Nick is not at school. ______?--- He has a pain in his heart.A. Who's that B. What's the matter C. What does he do D. Where is he
查看完整题目与答案
【单选题】A patient presents complaining of bloodstained stools and the inability to completely empty his rectum. He also has pain along the back of his thigh and weakness of the posterior thigh muscles. Digita...
A.
Sacral
B.
Inferior hypogastric
C.
Inferior mesenteric
D.
Lumbar
E.
Superior hypogastric
查看完整题目与答案
【单选题】皮亚杰认为心理起源于（ ）。
A.
吸吮
B.
后天的经验
C.
动作
D.
先天的成熟
查看完整题目与答案
【单选题】关于细胞壁的功能,下列不正确的是
A.
维持细菌固有形态
B.
与细胞内外的物质交换有关
C.
决定细菌的分裂
D.
是细菌外层结构，比较坚韧，有弹性
E.
带有多种抗原决定簇，决定了菌体的抗原性
查看完整题目与答案
【简答题】请听下面一段材料，回答第1-2题。 1. What is wrong with the man? A. He has got a pain in his stomach. B. He has got minor injuries in his throat. C. He is suffering from loss of appetite. 2. What caused the man' s tr...
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Bob must have caught the flu. He said he had a pain in iris heed and lost appetite for everything. He should see a doctor. M: If Mary can come back, he will be full of life. Love cannot be enf...
A.
He has caught a cold.
B.
He will recover soon.
C.
He was enforced to see a doctor.
D.
He has fallen out of love.
查看完整题目与答案
【多选题】A 50-year-old man has had pain in the left shoulder and arm for the past 12 hours. Over the next 6 hours, he develops shortness of breath, which persists for 2 days. The patient is admitted to the hos...
A.
Intermittent platelet aggregation
B.
Thrombosis
C.
Ulceration of the plaque surface
D.
Thinning of the media
E.
Hemorrhage into the plaque substance
查看完整题目与答案
【单选题】A 27-year-old male, presents with a low-grade fever, and nonproductive cough after catching a cold 3 days ago. He also has pain in the left chest which can be worsened during deep breath. X-Ray reveal...
A.
Velcro-like sound
B.
Coarse and medium crackles
C.
Wheezes
D.
Pleural rubs
E.
Sonorous rhonchi
查看完整题目与答案
【单选题】关于细胞壁的功能,下列不正确的是
A.
维持细菌固有形态
B.
与细胞内外的物质交换有关
C.
决定细菌的分裂
D.
是细菌外层结构，比较坚韧，有弹性
E.
带有多种抗原决定簇，决定了菌体的免疫原性
查看完整题目与答案
【单选题】A patient presents complaining of bloodstained stools and the inability to completely empty his rectum. He also has pain along the back of his thigh and weakness of the posterior thigh muscles. Digita...
A.
Inferior hypogastric
B.
Inferior mesenteric
C.
Lumbar
D.
Sacral
E.
Superior hypogastric
查看完整题目与答案
【简答题】--- Nick is not at school. ______?--- He has a pain in his heart.A. Who's that B. What's the matter C. What does he do D. Where is he
查看完整题目与答案
【单选题】A patient presents complaining of bloodstained stools and the inability to completely empty his rectum. He also has pain along the back of his thigh and weakness of the posterior thigh muscles. Digita...
A.
Sacral
B.
Inferior hypogastric
C.
Inferior mesenteric
D.
Lumbar
E.
Superior hypogastric
查看完整题目与答案
【单选题】皮亚杰认为心理起源于（ ）。
A.
吸吮
B.
后天的经验
C.
动作
D.
先天的成熟
查看完整题目与答案
【单选题】关于细胞壁的功能,下列不正确的是
A.
维持细菌固有形态
B.
与细胞内外的物质交换有关
C.
决定细菌的分裂
D.
是细菌外层结构，比较坚韧，有弹性
E.
带有多种抗原决定簇，决定了菌体的抗原性
查看完整题目与答案
【简答题】请听下面一段材料，回答第1-2题。 1. What is wrong with the man? A. He has got a pain in his stomach. B. He has got minor injuries in his throat. C. He is suffering from loss of appetite. 2. What caused the man' s tr...
查看完整题目与答案
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