追随战略属于哪种企业的竞争战略( )
A.主导地位上企业的竞争战略
B.前沿地位上企业的竞争战略
C.衰落地位上企业的竞争战略
D.垂危地位上企业的竞争战略
参考答案:D
_____ you call me to say you're not attending my birthday party, I'll see you at it. [ ]
A. Whether
B. Though
C. Until
D. Unless
下列叙述不属于近视眼的特点是[ ]
A.晶状体的曲度过大
B.物像在视网膜前
C.眼球的前后径过长
D.物像在视网膜后