1936年10月,在甘肃会宁会师的红军有
①、红一方面军 ②、红二方面军 ③、红四方面军 ④、陕北红军[ ]
A、①②
B、①③
C、①②③④
D、①②③
答案:D
Many people lost their respect for the mayor when they learned he had ____ stories about being a war hero. [ ]
A. stuck to
B. related to
C. made up
D. taken up
马达抓斗是依靠装在其头部的开闭机构来实现抓斗的开闭动作。所以,马达抓斗只需要()起升机构来完成抓斗的升降运动。
A.四套
B.二套
C.三套
D.一套