发动机点火时间过早启动阻力大、（）、急加速时爆燃敲缸、熄火时发动机反转。
A.排气沉重
B.怠速发抖
C.动力性好
D.怠速平稳
参考答案：B
肺结核化疗时可引起耳聋和肾功能损害的药物是（）
A.乙胺丁醇
B.链霉素
C.对氨基水杨酸
D.异烟肼
E.利福平
Your school things are here and there. Will you please ______? [ ]
A. throw them away
B. put them away
C. throw about them
D. put away them
