不等式|x+2|≥|x|成立．
(1)x≥-1 (2)x≥1E．
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若关于x的二次方程mx2-(m-1)x+m-5=0有两个实根α、β，且满足-1＜α＜0和0＜β＜1，则m的取值范围是()．
A. 3＜m＜4
B. 4＜m＜5
C. 5＜m＜6
D. m＞6或m＜5
E. m＞5或m＜4
A．playB．goC．workD．stay
A. play
B. go
C. work
D. stay
A．would getB．wereC．wasD．had been
A. would get
B. were
C. was
D. had been
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.
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