Two days is not enough for him to finish the work. He needs()day. ["other","the other","the third","a third"]
埋设地锚时,必须由()负责检查埋设的地锚,如发现问题及时处理
摄像头的主要传感部件是() ["DCB","CCD","OSD","BNC"]
The red flower goes from one to()in the class. ["the other","others","another","other"]
下列哪些商品属于易霉易腐商品() ["食品","皮革","工艺美术品","化学纤维制品"]
使用脚扣上杆前,先将脚扣卡在电杆距地面约()mm处,一脚悬起,一脚用力蹬踏,确保稳固后方可使用。