异烟肼的主要不良反应为
A．良性骨肿瘤B．恶性骨肿瘤C．有恶性倾向的良性骨肿瘤D．骨瘤样病变E．继发性骨肿瘤
参考答案：B
The Mid-Autumn Festival is special holiday formost Chinese when whole family will get together.
A．the; the
B．a; the
C．a; a
D．the; a
装置开工循环过程中，活动原油线应注意什么？
