76. The new machine is designed ____.

1. to picture the body's hidden fat
2. to identify those at risk for obesity
3. to help clinically treat specific cases
4. to measure accurately risky obesity-related effects

77. The beauty of the device, according to Tapp, is that ____.

1. it performs a dual function
2. it is of great accuracy in measurement
3. it has significant implications in clinical practice
4. it contributes to the evolution of human anatomy

78. Which of the following, according to the passage, does the machine have the potential to spare?

1. A minuscule current.
2. A radioactive tracer.
3. A water tank.
4. All of the above.

79. In comparison with the techniques mentioned in the passage, the body fat scanner ____.

1. quickens the pace of the patient's rehabilitation
2. is highly appreciated for its safety
3. features its measuring precision
4. is easy to operate in the clinic

80. For scanning, all the subject has to do is ____.

1. taking up a form of workout in the gym
2. turning round the body fat scanner
3. lying on the electromagnetic field
4. standing in the system

(Reference keys.)