[判断题] 拆除较大跨度梁下支柱时，应先从跨中开始，分别向两端拆除。拆除多层楼板支柱时，应确认上部施工荷载不需要传递的情况下方可拆除下部支柱。( ) (1.0分)
A.正确
B.错误

A device to "sleep on it" could be well founded, scientists say. After a good night’s sleep, a problem that seemed insurmountable(不能克服的) the night before can often appear more{{U}} (47) {{/U}}, although the evidence until now has been anecdotal(轶事的，趣闻的). But{{U}} (48) {{/U}}at the University of Luebek in Germany have designed an experiment that shows a good night’s sleep can{{U}} (49) {{/U}}insight and problem-solving. Dr. Jan Born, a neuroscientist at the university, and his team taught volunteers two simple rules to help them{{U}} (50) {{/U}}a string of numbers into a new order. There was also a third, {{U}} (51) {{/U}}rule, which could help them increase their speed in solving the problem. The researchers divided the volunteers into two groups, half were allowed to sleep after the training while the{{U}} (52) {{/U}}were forced to stay awake. They noticed that the group that had slept after the training were twice as{{U}} (53) {