单项选择题

According to the speaker, why would thermography be non-threatening to patients

A．It is not painful.
B．Patients can see the pictures.
C．The process is very relaxing.
D．No radiation is involved.
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单项选择题
Who will be most interested in the advances mentioned in the talk
A．Inventors.
B．Science fiction writers.
C．Photographers.
D．Health-care workers.
单项选择题
Which of the following statements is true
A．Once you've had some ideas about a topic, you need to put all of them into the composition.
B．A good, experienced writer doesn't need to make some notes before he writes.
C．You may decide how detailed your plan should be.
D．In an exam, you don't have to make notes of your ideas since there is not much time to waste.
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