将输人电源、输人/输出点、通信接口等均组合在一个控制器上,一般称之为()。
A.分体式DDC
B.分布式DDC
C.一体式DDC
D.整体式DDC
参考答案:C
T细胞表面的____分子是HIV的天然受体。
You ____say these words. That has hurt her heart. [ ]
A. can't
B. won't
C. oughtn't to
D. needn't