Which one of the followings is active medium? ________.
A: gravel
B: vermiculite
C: turf
D: bark
A: gravel
B: vermiculite
C: turf
D: bark
举一反三
- Which one of the followings cannot be a variable? ( ) A: in B: __in__ C: on D: it
- Which one of followings is floor division? ( ) A: % B: / C: // D: None of the mentioned
- Which one of the followings is not the information that a poster should include?
- Which one of the followings is not a keyword? ( ) A: assert B: nonlocal C: pass D: eval
- 48. Which one of the followings is INCORRECT about Mercator projection? ____