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【单选题】
必需矿物元素按动物体内含量和需要两不同分成常量矿物元素和微量矿物元素两大类,常量矿物元素一般指在动物体内含量高于 () 的元素。
A.
0.01
B.
0.001
C.
0.0001
D.
0.001％
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参考答案：
举一反三
【单选题】下面（）最好地描述了数据字典中应该包含的内容。
A.
数据库中存储的数据项的有组织描述及其含义
B.
描述应用程序使用的记录格式
C.
描述管理数据库用户的权利和安全规则
D.
在数据库中更新的数据在更新前后的信息
查看完整题目与答案
【单选题】—Where's Peter? —He Shanghai for three days. [     ]
A.
is going
B.
has been to
C.
has gone to
D.
has been in
查看完整题目与答案
【单选题】炸制法的热传递是热( )。
A.
对流
B.
辐射
C.
传导
D.
传播
查看完整题目与答案
【多选题】根据职业心理素养与竞争力提升中，“快乐地工作”有哪些具体表现？（）
A.
投入
B.
松弛
C.
游戏
D.
平和
E.
懒散
查看完整题目与答案
【判断题】The speaker had not been confident about himself until he was 19.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Three-fourths of the homework _____today.
A.
has finished
B.
has been finished
C.
have finished
D.
have been finished
查看完整题目与答案
【单选题】Three fourths of the homework _________ today.
A.
has done
B.
has been done
C.
have done
D.
have been done
查看完整题目与答案
【单选题】The bookshop since three years ago. [     ]
A.
was open
B.
has been open
C.
has been opened
D.
has opened
查看完整题目与答案
【简答题】数据记录管理包含的内容?
查看完整题目与答案
【单选题】The speaker mentions several problems the company was faced with. Which of the following is NOT one of the problems he mentions?
A.
Too much bureaucracy
B.
Lack of a clear marketing strategy.
C.
Quality control being not maintained.
D.
No new products coming on the market.
查看完整题目与答案
相关题目：
【单选题】下面（）最好地描述了数据字典中应该包含的内容。
A.
数据库中存储的数据项的有组织描述及其含义
B.
描述应用程序使用的记录格式
C.
描述管理数据库用户的权利和安全规则
D.
在数据库中更新的数据在更新前后的信息
查看完整题目与答案
【单选题】—Where's Peter? —He Shanghai for three days. [     ]
A.
is going
B.
has been to
C.
has gone to
D.
has been in
查看完整题目与答案
【单选题】炸制法的热传递是热( )。
A.
对流
B.
辐射
C.
传导
D.
传播
查看完整题目与答案
【多选题】根据职业心理素养与竞争力提升中，“快乐地工作”有哪些具体表现？（）
A.
投入
B.
松弛
C.
游戏
D.
平和
E.
懒散
查看完整题目与答案
【判断题】The speaker had not been confident about himself until he was 19.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Three-fourths of the homework _____today.
A.
has finished
B.
has been finished
C.
have finished
D.
have been finished
查看完整题目与答案
【单选题】Three fourths of the homework _________ today.
A.
has done
B.
has been done
C.
have done
D.
have been done
查看完整题目与答案
【单选题】The bookshop since three years ago. [     ]
A.
was open
B.
has been open
C.
has been opened
D.
has opened
查看完整题目与答案
【简答题】数据记录管理包含的内容?
查看完整题目与答案
【单选题】The speaker mentions several problems the company was faced with. Which of the following is NOT one of the problems he mentions?
A.
Too much bureaucracy
B.
Lack of a clear marketing strategy.
C.
Quality control being not maintained.
D.
No new products coming on the market.
查看完整题目与答案
参考解析：
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