题目

The time of year a baby is born can shape what profession they will embark on (从事) in later life, a new study has suggested. Being born in a certain month appears to indicate the statistical likelihood of what job a person will end up with, the study by the Office for National Statistics found. Researchers have uncovered that the month in which babies are born could also affect everything from intelligence to length of life. A child born December is more likely to become a dentist while someone whose birthday falls in January will tend to a debt collector, they found. A February 正确的实验操作是实验成功的关键．请回答：（1）酒精灯的______焰温度最高，用完酒精灯后，必须用______盖灭．（2）取用一定体积的少量液体除要量筒外，还需要的仪器有______．（3）小明同学用托盘天平称了10.4g NaCl（1g以下用游码），结果老师检查发现他把药品和砝码的位置颠倒了，他称得NaCl的实际质量为______ g．