建国初期,使中国改变半殖民地地位的外交原则是
A.“另起炉灶”
B.“一边倒”
C.“打扫干净屋子再请客”
D.和平共处五项原则
答案:A
It took________supplies to construct these energysaving houses. It took brain too.
A.other than
B.more than
C.rather than
D.less than
增压器平稳、无振动高速运转的条件是()和()符合要求。
A.平衡精度/不平衡度
B.FR/E
C.平衡精度/对中精度
D.对中精度/不平衡度