Ultrasound is used in lots of different cases, especially ____(怀孕).
举一反三
- B ultrasound is applied to diagnose the disease by using the reflex law of ultrasound in different parts of the body tissue.
- 这些箱子的尺寸不同。 A: These cases have different dimensions. B: These cases are of different sizes.
- A<br/>piezoelectric crystal is used to produce the ultrasound waves. What<br/>kind of ultrasound is produced? () A: Pressure<br/>wave ultrasound B: Electrical<br/>wave ultrasound C: Sound<br/>wave ultrasound D: Simple<br/>ultrasound
- In U.S.A., there are two different types of cases: criminal cases and civil cases.
- 9. Ultrasound can be used to locate tumors. A: True B: False