皮皮学，免费搜题
登录
搜题
【单选题】
As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（）A.
Shut down the database
B.
Clear the online redo log
C.
Back up the database
D.
Checkpoint the database
E.
Call Oracle support
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
【单选题】Some parents don't allow their children to go online ________they are affected by something unhealthy. [ ]
A.
for fear that
B.
unless
C.
in only
D.
in case
【单选题】__________ , some students tend to develop a range of unhealthy habits .
A.
Parents don’t watch over them
B.
Not having watched over
C.
With no parents to watch over them
D.
Parents watched over
【简答题】读图文材料，完成下列问题。
山药学名薯蓣，地下根茎粗，直生，长可达1米。山药性喜光，宜在排水良好、疏松肥沃的土壤中生长，忌水涝。因其营养丰富，自古以来被视为物美价廉的滋补佳品，可作主粮和蔬菜，还可以制成糖葫芦之类的小吃。下图所示地区是我国山药的原产地和主要产区之一。该地区生产的山药品质优良，深受市场欢迎，近年来市场销售量不断增加。 简述近年来山药市场销量增加的主要原因。
【简答题】Welcome to the World Expo 2010 Shanghai China. In order to protect the interests and rights of visitors and ensure a safe and orderly visit, the organizer of Expo 2010 has made these Terms and Conditi...
【单选题】Some children don’t like when their parents try to join their circle of friends.
A.
that
B.
it
C.
this
D.
them
【单选题】When you are working in machinery spaces, you should wear( )in order to protect your body.
A.
a safety helmet
B.
well fitting clothes
C.
eyeglasses
相关题目：
参考解析：
知识点：
题目纠错 0
发布
