欲将细口瓶中的液体药品倒入试管中，下列操作错误的是 ( )
A．瓶塞正放在桌面上
B．试管稍微倾斜
C．标签朝向手心
D．瓶口紧挨试管口
答案：A
根据液体药品的取用：取下瓶盖，倒放在桌上（以免药品被污染），标签应向着手心（以免残留液流下而腐蚀标签）；拿起试剂瓶，试管要稍微倾斜，将瓶口紧靠试管口，缓缓地注入试剂，倾倒完毕，盖上瓶盖，标签向外，放回原处．
故选A．
根据短文内容，用方框中所给单词的适当形式填空。每词限用一次。
Drink at ___2____8 glasses of water a day. You may need even more water if you are exercising. Breakfast is the most important meal of the day. You will have more energy after eating breakfast. Eat a light lunch every day. If you don’t have time to go out, take a sandwich in the morning with you for a __3______ lunch. We should eat fruit and vegetables every day. Add a banana to your breakfast, have a salad with lunch, and eat at least one vegetable for ___4____. Try to have dinner at least 3 hours before you go to bed. Your body needs time to digest most of the food before you rest__5____the next 8 hours. |
