A．would getB．wereC．wasD．had been
A. would get
B. were
C. was
D. had been
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Why is the man nervous？
A. He's afraid of taking exams.
B. He's afraid of seeing his teachers.
C. He's afraid of being blamed by his teacher.
A．a fencerB．a winnerC．missedD．killed
A. a fencer
B. a winner
C. missed
D. killed
下列费用中,()属于动态投资部分。
A. 保险费
B. 营业税
C. 涨价预备费
D. 基本预备费
已知方程x3+2x2-5x-6=0的根为x1=-1，x2，x3，则1/x2+1/x3=()．
A. 1/6
B. 1/5
C. 1/4
D. 1/3
E. 1/2
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