皮皮学，免费搜题
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【单选题】
常用作固体分散体的水不溶性载体有( )
A.
水溶性聚合物PEG、PVP
B.
糖类与醇类
C.
有机酸类
D.
EC
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举一反三
【单选题】目前，橡胶工业上使用的白炭黑的主要成分是。
A.
二氧化硅
B.
硅
C.
碳
D.
碳酸钙
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【判断题】 科技环境调研属于微观营销环境 ( )
A.
正确
B.
错误
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【单选题】蜡烛刚熄灭时，烛芯会冒白烟，根据你所做实验推测，白烟的主要成分是（　　）
A.
二氧化碳
B.
水蒸气
C.
石蜡蒸气
D.
炭黑固体
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【判断题】During the recovery of a cold-worked material, yield strength decreases.
A.
正确
B.
错误
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【单选题】纸张燃烧后灰白色的部分主要成分是( )。
A.
磷酸盐
B.
炭黑
C.
瓷土、碳酸钙钛等造纸填料
D.
钾盐
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【单选题】A 70-year-old man presents with fever, shaking chills, and shortness of breath. The patient exhibits grunting respirations, 30 to 35 breaths per minute, with flaring of the nares. The sputum is rusty ...
A.
Basophils
B.
Eosinophils
C.
Lymphocytes
D.
Macrophages
E.
Plasma cells
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【单选题】The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the reco...
A.
You should perform a log switch
B.
You should make a backup of the database
C.
You should switch the database to the NONARCHIVELOG mode
D.
You should shut down the database instance and perform a complete database recovery
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【简答题】 微观环境
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【单选题】我国的黑白山水画用的墨汁，主要成分为炭黑，用这种墨汁画的国画千百年都不易变色，这是因为墨汁中的碳（　　）
A.
具有强还原性
B.
常温下化学性质稳定
C.
具有吸附性
D.
具有氧化性
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【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. The business cycle ( 经济周期 ) is composed of many phases and one of them is the expan...
A.
The expansion of existing facilities.
B.
The creation of new business.
C.
The disappearance of old business.
D.
The increase of optimism about the future of economy.
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相关题目：
【单选题】目前，橡胶工业上使用的白炭黑的主要成分是。
A.
二氧化硅
B.
硅
C.
碳
D.
碳酸钙
查看完整题目与答案
【判断题】 科技环境调研属于微观营销环境 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】蜡烛刚熄灭时，烛芯会冒白烟，根据你所做实验推测，白烟的主要成分是（　　）
A.
二氧化碳
B.
水蒸气
C.
石蜡蒸气
D.
炭黑固体
查看完整题目与答案
【判断题】During the recovery of a cold-worked material, yield strength decreases.
A.
正确
B.
错误
查看完整题目与答案
【单选题】纸张燃烧后灰白色的部分主要成分是( )。
A.
磷酸盐
B.
炭黑
C.
瓷土、碳酸钙钛等造纸填料
D.
钾盐
查看完整题目与答案
【单选题】A 70-year-old man presents with fever, shaking chills, and shortness of breath. The patient exhibits grunting respirations, 30 to 35 breaths per minute, with flaring of the nares. The sputum is rusty ...
A.
Basophils
B.
Eosinophils
C.
Lymphocytes
D.
Macrophages
E.
Plasma cells
查看完整题目与答案
【单选题】The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the reco...
A.
You should perform a log switch
B.
You should make a backup of the database
C.
You should switch the database to the NONARCHIVELOG mode
D.
You should shut down the database instance and perform a complete database recovery
查看完整题目与答案
【简答题】 微观环境
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【单选题】我国的黑白山水画用的墨汁，主要成分为炭黑，用这种墨汁画的国画千百年都不易变色，这是因为墨汁中的碳（　　）
A.
具有强还原性
B.
常温下化学性质稳定
C.
具有吸附性
D.
具有氧化性
查看完整题目与答案
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. The business cycle ( 经济周期 ) is composed of many phases and one of them is the expan...
A.
The expansion of existing facilities.
B.
The creation of new business.
C.
The disappearance of old business.
D.
The increase of optimism about the future of economy.
查看完整题目与答案