皮皮学,免费搜题
登录
搜题
【单选题】
一项工程,甲单独做10天完成,乙单独做要15天完成任务,丙单独做要12天完成任务,现在三人合作,几天可以完成任务?( )。
A.
4
B.
5
C.
6
D.
7
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】阅读理解。 There are many things we need to know, but we do not learn them at school. For example, if we want to use our money wisely, we need to shop carefully. We need to know how to compare (比较) the pri...
查看完整题目与答案
【简答题】化学防治的优缺点有哪些?
查看完整题目与答案
【单选题】[2017单选题]29.在PowerPoint2010中,下列说法错误的是______________。
A.
不可以为剪贴画重新上色
B.
可以向已存在的幻灯片中插人剪贴画
C.
可以修改剪贴画
D.
可以利用自动版式建立带剪贴画的幻灯片,用来插入剪贴画
查看完整题目与答案
【单选题】To recognize our circadian patterns, how many times do we need to take our temperature throughout the day?
A.
Five times at regular intervals.
B.
Three times at regular intervals.
C.
Six times at regular intervals.
D.
Seven times at regular intervals.
查看完整题目与答案
【单选题】If we need to add a "φ" for a dimension, what do we need to input?
A.
%%c
B.
%%p
C.
%%d
D.
%%x
查看完整题目与答案
【简答题】Ruth is good at music.29. Ruth is good at music.
查看完整题目与答案
【简答题】化学防治的优缺点有哪些?
查看完整题目与答案
【单选题】To calculate radius of investigation,which two parameters' relationship we need to seek?
A.
r,c1
B.
r,P
C.
r,Pi
D.
r,t
查看完整题目与答案
【简答题】Frank and Dale are friends.29. Frank and Dale are friends.
查看完整题目与答案
【简答题】According to the report, the North American health market (grow) ________ at a rate of about 7.4% in 2017.
查看完整题目与答案
相关题目:
【简答题】阅读理解。 There are many things we need to know, but we do not learn them at school. For example, if we want to use our money wisely, we need to shop carefully. We need to know how to compare (比较) the pri...
查看完整题目与答案
【简答题】化学防治的优缺点有哪些?
查看完整题目与答案
【单选题】[2017单选题]29.在PowerPoint2010中,下列说法错误的是______________。
A.
不可以为剪贴画重新上色
B.
可以向已存在的幻灯片中插人剪贴画
C.
可以修改剪贴画
D.
可以利用自动版式建立带剪贴画的幻灯片,用来插入剪贴画
查看完整题目与答案
【单选题】To recognize our circadian patterns, how many times do we need to take our temperature throughout the day?
A.
Five times at regular intervals.
B.
Three times at regular intervals.
C.
Six times at regular intervals.
D.
Seven times at regular intervals.
查看完整题目与答案
【单选题】If we need to add a "φ" for a dimension, what do we need to input?
A.
%%c
B.
%%p
C.
%%d
D.
%%x
查看完整题目与答案
【简答题】Ruth is good at music.29. Ruth is good at music.
查看完整题目与答案
【简答题】化学防治的优缺点有哪些?
查看完整题目与答案
【单选题】To calculate radius of investigation,which two parameters' relationship we need to seek?
A.
r,c1
B.
r,P
C.
r,Pi
D.
r,t
查看完整题目与答案
【简答题】Frank and Dale are friends.29. Frank and Dale are friends.
查看完整题目与答案
【简答题】According to the report, the North American health market (grow) ________ at a rate of about 7.4% in 2017.
查看完整题目与答案
参考解析:
知识点:
题目纠错 0
发布