What makes a scientist according to the passage? ___________
A.The tools he uses.
B.The way he uses his tools.
C.His ways of learning.
D.The various tools he uses.
正确答案是B
What makes a scientist according to the passage? ___________
A.The tools he uses.
B.The way he uses his tools.
C.His ways of learning.
D.The various tools he uses.
正确答案是B