第1题:
A、 not to see
B、 to not see
C、 not to have seen
D、 to not have seen
第2题:
Pedestal cranes have limit switches to restrict movement of which function(s)________.
A.Hoist upper & lower limits
B.Luff travel limits
C.Rider block hoist upper & lower limits
D.All of the above
第3题:
第4题:
A normal lesson should have the all the stages discussed in this unit and the stages should be in fixed order.()
A对
B错
第5题:
The Progressive Movement wanted to()in order to stop big business control.
第6题:
Which statement is true regarding the COALESCE function?()
第7题:
You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to implement a backup schedule on Server1 to meet the following requirements: ·Everyday, back up all files and folders to disk. ·Every Friday, back up all files and folders to tape. ·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since the previous Friday’s backup to tape. Which backup jobs should you create? ()
第8题:
Approved (APPR)
Waiting on Materials (WMATL)
Waiting to be Scheduled (WSCH)
Waiting on Plant Condition (WPCOND)
第9题:
Before the boat is lowered from the stowage position
As soon as the boat-fall blocks clear the davit head
After the limit switch is activated
After all people have been embarked
第10题:
having fallen
to be falling
being fallen
to have fallen
第11题:
对
错
第12题:
It can have a maximum of five expressions in a list
It returns the highest NOT NULL value in the list for all rows
It requires that all expressions in the list must be of the same data type
It requires that at least one of the expressions in the list must have a NOT NULL value
第13题:
A.homework
B.communication task
C.exercise
D.listening activity
第14题:
I have pleasure in informing you that all safety equipment is in______working order.
A.full
B.care
C.intentional
D.Reasonable
第15题:
第16题:
A normal lesson should have the all the stages discussed in this unit and the stages should be in fixed order.()
第17题:
A work order has been created to perform corrective maintenance on a defective generator. All required information has been provided in the work order, but required materials are not in stock and have to be ordered. What is the status of the work order, after a maintenance manager has approved the work order? ()
第18题:
The details of the order ID, order date, order total, and customer ID are obtained from the ORDERS table. If the order value is more than 30000, the details have to be added to the LARGEjDRDERS table. The order ID, order date, and order total should be added to the ORDERJHISTORY table, and order ID and customer ID should be added to the CUSTJHISTORY table. Which multitable INSERT statement would you use? ()
第19题:
·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and Thursday
·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and Thursday
·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, Thursday
·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday
第20题:
Pivoting INSERT
Unconditional INSERT
Conditional ALL INSERT
Conditional FIRST INSERT
第21题:
displaying the total order value for sales representatives 161 and 163
displaying the order total for sales representative 161 in the year 1999
displaying the number of orders that have order mode online and order date in 1999
displaying the number of orders whose order total is more than the average order total for all online orders
第22题:
full
care
intentional
reasonable
第23题:
Jade and Jenny are tall and have long hair.
Jenny and Jessica have short hair and are tall.
Jessica and Nicky wear spectacles and have short hair.
Jessica and Jenny have short hair and wear spectacles.