速效胰岛素是（）
A.半慢胰岛素锌混悬液
B.慢胰岛素锌混悬液
C.中性精蛋白锌胰岛素
D.低精蛋白锌胰岛素
E.精蛋白锌胰岛素
参考答案：A
She doesn’t plan her days. She watches TV ______ evening and changes channels ______ few minutes. So for her this summer just means another boring vocation.
A．in; every
B．every; every
C．every; each
D．every; in
ABS在聚苯乙烯树脂改性的基础上发展的新型工程塑料具有（）特点。
A、耐热性能好
B、不吸湿
C、透明
D、坚固、坚韧、坚硬
