第1题:
A、has employed
B、was unemployed
C、had been unemployed
D、has been unemployed
第2题:
B
In the 1500s,the camera was invented.
However,in the early 1800s people found a way to make the pictures permanent. Even then,photography was a new field. Most families had their pictures taken by photographers.People did not own cameras because taking pictures and developing the films were too difficult.In 1884 ,George Eastman invented a kind of film.lt could be put into a small camera. The new film was easy to use. So many people began to buy cameras. When they had used up their films people returned their cameras to the factory. There,the films were developed,and pictures were made. More films were put into the cameras. And they were sent back to the owners with their pictures.
Today's cameras are much easier to use. Photography has become a hot hobby, There are also many new jobs in this field,especially in news reporting. Newspapers,magazines,and tele-vision all need pictures to tell stories, Photographers help scientists by taking pictures through microscopes and telescopes. Deep-sea divers take pictures of ocean plants and animals. Astro-nauts take their cameras into space. Man finds new uses of the camera every day.
( )26. When did people find a way to make the pictures permanent?
A. In the 1500s.
B. In the 1600s.
C. In the 1700s.
D. In the 1800s.
第3题:
第4题:
第5题:
第6题:
Companycom has purchased a p5 590 with 16 CPUs. To run Simultaneous Multi-Threading (SMT) with a 4-way virtual processor partition with 2.0 processing units of entitlement, how many logical CPUs will be allocated?()
第7题:
Initially, for the Automatic Workload Repository (AWR) statistics, the retention period is set to 7 days, the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However, when you observe the Memory Advisor on a Friday, you find that the statistics are available only for two days, Thursday and Friday, of that week. What would have caused the statistics to be removed?()
第8题:
adding small amounts of oil to the system
the system has been overheated
the system has been drained and then filled with new oil
the system has been idle for a long period of time
第9题:
第10题:
第11题:
has taken; has pushed
has been taken; has pushed
is taken; will be pushed
is taken; is pushed
第12题:
On Wednesday, the statistics have been purged.
On Wednesday, the retention period has been set to zero.
On Wednesday, the collection interval has been set to zero.
On Wednesday, the collection level has been changed to All.
On Wednesday, the retention period has been set to one day.
On Wednesday, the retention period has been set to two days
On Wednesday, the collection level has been changed to Typical.
On Wednesday, the collection interval has been set to 1440 minutes.
第13题:
Each kind of bird has its own way ____a nest, and it is always the same way.
A: of building
B: to building
C: building
D: by building
第14题:
After each container has been stuffed,responsible personnel will ensure that the doors have been securely closed and are watertight and a ______ has been placed on the container.
A.real
B.deal
C.seal
D.meal
第15题:
第16题:
第17题:
The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?()
第18题:
You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape. Which two statements are true about differential incremental backups()
第19题:
8-way logical CPU partition, where each logical CPU has the power of 25% of a logical processor
4-way logical CPU partition, where each logical CPU has the power of 50% of a physical processor
8-way logical CPU partition, where each logical CPU has the power of 25% of a physical processor
16-way logical CPU partition, where each logical CPU has the power of 25% of a physical processor
第20题:
leaves; has gone
left; has been away
leaves; has been away
left; has gone
第21题:
A new default gateway has been setup.
A new Internet shortcut has been added.
A new web browser has been installed and is now the default.
A proxy server has been enabled.
第22题:
and she has been working in the room ever since
and since that time she has worked there
where always since she works
she has been working in that room ever since
and since then is working there
第23题:
It has recently been reupholstered.
It has additional unlisted accessories.
It was manufactured 5 years ago.
It has been well maintained.
第24题:
His father has been dead for six years.
His father died six years ago.
It’s six years since his father had died.
It has been two years since his father’s death.