their inability has been unable
the inability they possess has not been able
having been unable
they were unable
they have been unable
第1题:
A、it not have been
B、is not been
C、had it not been
D、has not been
第2题:
Several shoals______reported to exist in the area southwest of the Brothers.
A.have
B.have been
C.has
D.has been
第3题:
A.has been sent
B.was sent
C.had been sent
D.was being sent
第4题:
A. is caught
B. are caught
C. has been caught
D. have been caught
第5题:
A.APPLIED
B.REMOVED
C.REJECTED
D.COMMITTED
第6题:
第7题:
第8题:
Your firm has been recommended to us by AMK company, () we have done business for many years.
第9题:
A medical customer has a rack with four BladeCenter H chassis that have been operating normally for several months. After installing a new rack of servers in the data center, the system administrator notices the blowers in the BladeCenters have increased their speed. Which of the following caused this problem? ()
第10题:
Which LPP status signifies the inability to return to a previous version of a fileset because the saved files have been removed?()
第11题:
She has been ill.
She has been in Mexico.
Some relatives have been visiting her.
第12题:
The population of 15 countries has reduced by more than half.
Many countries have made unprecedented economic progress.
Many countries are still struggling with underdevelopment.
Urbanization has been taking place at a fast pace.
第13题:
A.have been proved
B.have proved
C.has proved
D.has been proved
第14题:
A.has been done
B.was done
C.have been done
D.were done
答案:A
第15题:
A、are
B、is
C、have been
D、has been
第16题:
In recent years, one of the more popular topics for panel discussions at computer conferences and trade(61)has been the "RISC versus CISC" debate.RISC processors feature a small number of instructions that each executes in(62)machine cycle. CISC processors use complex instructions that can take several cycles to execute.The RISC versus CISC debate won't be decided by panel discussion; it will be won in the marketplace. And the deciding factor may have little to do with(63)of instructions and registers and more to do with parallelism.Since their conception, RISC processors have been evolving toward micro parallelism, incorporating parallel-processing features(64)the processor, RISC processors feature pipelining, whereby many instructions can be decoded while one instruction executes. RISC processors, however, are moving toward pipelines for each unit of the processor.CISC processors also employ pipelining. They have many integer instructions that execute in one cycle, but the varying execution times of CISC instructions(65)the effectiveness of parallelism.
A.shows
B.two
C.numbers
D.between
E.limit
第17题:
The bill of lading is prima facie evidence ______ the quantity of goods alleged to have been shipped has been shipped in fact.
A.that
B.which
C.where
D.while
第18题:
第19题:
第20题:
By next year he()in New York for five years.
第21题:
So far the construction of the two new bridges over the river ().
第22题:
APPLIED
REMOVED
REJECTED
COMMITTED
第23题:
their inability has been unable
the inability they possess has not been able
having been unable
they were unable
they have been unable
第24题:
season
time
period
year