宏观物流的主要特点是()。
A.综合性和全局性
B.具体性和局部性
C.综合性和战略性
D.客观性和全局性
参考答案:A
36. --- I don’t know whether I should accept the invitation to join Microsoft or get my master degree first.
---- Don’t hesitate _______ will you get such an opportunity.
A.and never again
B.or never again
C.and where
D.or where
胸片上双侧肺门影增大可见于()
A.大叶性肺炎
B.慢性肺源性心脏病
C.慢性纤维空洞型肺结核
D.法洛四联征
E.肺隔离症