制定联合质量计划是供应商关系中双方合作的一种形式。()
参考答案:对
_____improve her English, Jenny bought a lot of tapes for herself. [ ]
A. So as to
B. In order that
C. So that
D. In order to
七跨关节式电分相中性区的长度为()
A、30m
B、90m
C、100m
D、150m