At least ( ) satellites are required to calculate the distance from the satellite to the receiver.
A: Six
B: Four
C: Three
D: Five
A: Six
B: Four
C: Three
D: Five
举一反三
- （）different opinions as where the word "Okay" came from are mentioned in the text. A: Four B: Five C: six D: Three
- Mark’sfamilyhas_____people. A: three B: four C: five D: six
- Theword“digitalization”consistsof_______syllables. A: five B: six C: four D: three
- Australia is politically divided into_______states and ______territories. A: Four/three B: five/two C: six/three D: A. six/two
- A letter should at least include ________ parts. A: four B: five C: six D: seven