用科学计算器计算：8+$\sqrt{3}$sin56°≈____．（精确到0.01）

根据下列句子及所给的汉语注释，在句子空缺处写出各单词的正确形式
⑴I don't want to ____ (争吵). Let's forget it.
⑵The old man doesn't want to go out ____ .(单独地)
⑶I think that we should make a ____  (决定) as soon as possible？
⑷Can you ____  (想象) the life in the future.
⑸It's ____  (令人惊异的)  that there are 18 robots working in the restaurant.
⑹Jenny's mother was a great ____  (影响) on her.
⑺I have two____ (票) to the movie..

图7是基于粤、苏、贵、桂四省区1990年的省际人口迁移、自然增长率、老年人口数量、经济发展水平，预测的2050年这四个省区老年人口比重的变化。读图完成各题。

某同学给健康实验兔静脉滴注0.9%的NaCl溶液（生理盐水）20mL后，会出现的现象是（　　）