The system can monitor the import prices and quantities, the technological () of for
A.updown
B.upstair
C.updates
D.upon
A.updown
B.upstair
C.updates
D.upon
第1题
第2题
第3题
第4题
第5题
From the text, we can infer that ______.
A.some computers don't have system software
B.software such as Winword, Excel and Foxpro focus on a single task
C.for a computer to perform a useful task, both the system and application software are inevitable
D.language software helps people to learn a language
第6题
第7题
Stress can affect the respiratory system by_____.
A.decreasing the pulse rate
B.a loss of carbon dioxide
C.causing breathing problems
D.causing asthma
第8题
From the first paragraph we can guess the meaning of "holy grail" may refer to ______.
A.the speech-recognition system B.the desired goal
C.spoken discourse D.the robot R2D2
第9题
A.a computer simulated environment
B.a real world
C.many worlds
D.a real situation
第10题
第11题
The American education system is mentioned to illustrate that ______.
A.the American education system is facing many problems
B.the American education system can provide education opportunities without enough money
C.many education institutions fail to address the challenge
D.many education institutions develop distance education to face the challenges