Which of the following statements about the PAN is true？
A．It is the same as the Internet today.
B．It is the foundation of the PAN processor.
C．It is invented only for scientific research.
D．It develops from the PAN processor.

Which of the following statements is NOT true？
A．The increase in blood masked some of the subtle changes.
B．It took three seconds after an event for the flow of blood to increase to an area of the brain.
C．The body's reaction was like watering the entire garden for the sake of one thirsty flower.
D．Researchers will use new methods to study human brains because of the limit of conventional imaging techniques.

The author's tone in this passage could be______.
A．tentative
B．humorous
C．certain
D．critical

What would people do in the future？
A．To craft a new identity.
B．To enjoy something impossible.
C．To go to desired places.
D．A, B and C

Which of the following can be used as the title of the passage？
A．Study of Human Brains
B．Imaging Techniques
C．Contribution of Israeli Researchers
D．Fine-tuning Imaging of Brain Activity

Section A
Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.
______he will go to Germany is not decided.
A．Who
B．If
C．That
D．Whether