How is a medium characterized by ultrasound imaging?()
A: By its thickness
B: By its acoustic impedance
C: By its water content
D: By its density
A: By its thickness
B: By its acoustic impedance
C: By its water content
D: By its density
举一反三
- According to Brocklehurst, we can keep cream fresh by______ A: removing its fat B: killing the C: reducing its water content D: altering its structure
- What would be a good reason for the man to buy the product A: [A] Its low purchase price. B: Its wide availability. C: Its good nutritional value. D: Its high water content.
- 12 What is unusual about Brackenside pool? A: A its architectural style B: B its heating system C: C its method of water treatment
- The atmosphere is as much a part of the earth as _______ its soil and water of its lakes, rivers and oceans. A: has B: do C: is D: are
- The atmosphere is as much a part of the earth as _________________ its soil and the water of its lakes, rivers and oceans. A: is B: do C: are D: has