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【单选题】
下列为合金工具钢的是（ ）。A.
20Cr
B.
1Cr 18 Ni 9 Ti
C.
9CrSi
D.
T12
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举一反三
【单选题】What does the trait approach assume?
A.
Leaders are born.
B.
Leaders are made.
C.
Personality traits can be acquired.
D.
There’ s no leadership personality.
【单选题】What type of approach does the student apply to listening according to what he describes?
A.
hen listening to English tapes, I am always worried about my limited vocabulary, I tend to figure out its actual meaning when coming across an unknown word, so that stop makes me miss the next part of the speech.”
B.
Detail-oriented approach
C.
Top-down approach
D.
Interactive approach
E.
Bottom-up approach
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