皮皮学，免费搜题
登录
搜题
【单选题】
在农残药片的快速检测法中,红色药片和白色药片的颜色变化决定农残的多寡,蓝色越深表明农残含量( )。A.
越高
B.
越低
C.
不变
D.
不影响
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】关于数据库设计步骤的说法中正确的有
A.
物理设计阶段需要对时间、空间效率、维护代价和各种用户要求进行权衡
B.
概念结构设计是在逻辑设计的基础之上进行的
C.
将ER图转化为关系模型阶段属于逻辑结构设计
D.
数据库的试运行属于数据库实施阶段的任务
【单选题】听力原文：W: Did you see my book? It's not on the shelf, nor on my desk. M: Why don't you look under your chair? That's where I saw it a little while ago. Maybe it just fell when you went to the kitchen. W...
A.
On the desk.
B.
Under the chair.
C.
On the shelf.
【单选题】Who ______ was coming to see me in my office this afternoon?
A.
you said
B.
did you say
C.
did you say that
D.
you did say
【单选题】----- Did you go to see the football match in the stadium ? ----- _____, but my brother called on me.
A.
I’d like to
B.
I’d like to have
C.
I wouldn’t like it
D.
I like to
【单选题】— ______ my pen? — Yes, I have. I saw it on your desk a moment ago. [ ]
A.
Do you see
B.
Did you see
C.
Would you see
D.
Have you seen
【单选题】We don' t consider______necessary for them to move into that house.
A.
that
B.
this
C.
it
D.
them
【单选题】下列选项中,哪一个是不需要确认合同收入的( )。
A.
合同实际的成本不能可靠的计量
B.
合同完工进度和为完成合同尚需发生的成本能可靠计量。
C.
与合同相关的经济利益很可能流入企业
D.
合同总收入能够可靠计量
相关题目：
参考解析：
知识点：
题目纠错 0
发布
