在一定压力下，饱和蒸汽在冷凝器内被冷凝成液态，这时相对应的温度称为（）。A.冷却温度

The majority of visitors _____ in favor of his conclusion that the number of books published on the subject _____ simply surprising.

A．were; was

B．was; was

C．were; were

D．was; were

物流成本的特性是各项要素成本之间（）

A.互不相关

B.交替上升

C.交替下降

D.交替损益

下列征象中，哪一项对周围型肺癌的诊断价值最大（）

A.分叶和毛刺

B.空洞

C.钙化

D.肺门或纵隔淋巴结肿大

E.无卫星病灶

设汉字字库包括全角符号和一、二级汉字共8000个，进入汉字操作系统调用16×15点阵汉字库，且全部常驻内存中，则内存开销约为_____。

A．640KB

B．1.47KB

C．240KB

D．70KB

选择冷冲模具的结构或者类型有哪些形式？