信号把钩工的交接班双方按规定时间应()进行交接工作。
A.办公室
B.提升机房
C.工作现场
参考答案:C
根据短文内容完成下列句子,每空一词。
Mike and Peter are good friends. They are students. They go to school five days a week. Mike’s birthday is in the eleventh month of a year. Peter’s birthday is October 1st. That’s National Day. Mike likes playing basketball, but Peter likes playing soccer. Mike often wears sports shoes to play basketball. He likes white sports shoes. Mike’s birthday is coming. Peter goes to a sports store with his friend, Bill. They have a
look at basketballs and sports shoes. At last, they buy a pair of white sports shoes for Mike. When Mike sees the shoes, he is very happy.
小题1:Peter’s birthday is_______
小题2:Mike likes_______ in sports shoes.
小题3:Peter goes to a_______ with _______
小题4:Peter and his friend a pair of sports shoes Mike.
小题5: Mike sees the shoes, he is very
图4-40所示物体重心在点C,重物由绳索O1A与O2B吊住,处于平衡。现将O2B突然剪断,在剪断后的极短时间内,点C除向下运动外.是向左方运动还是向右方运动()。
A.向左方
B.向左方
C.铅直运动
D.不确定