单词拼写：请根据括号内汉\英语提示或已给的首字母写出单词的正确形式。(15分)

小题1:It is __________ （至关重要的）to get the victim to the doctor or hospital at once.

小题2:The functions of your skin are very ___________（复杂的）.

小题3:He slowed the bleeding by __________（应用，运用）pressure to the wounds.

小题4:The cool water stops the burning process, prevents the pain becoming __________ (难以忍受的) and reduces swelling.

小题5:You can get burned by a v_________ of things.

小题6:The skin is one of the o_________ of our body.

小题7:He is very optimistic，so he always________(采取)a positive attitude to life.

小题8: If you work hard，you will achieve your________(目标)．

小题9:.He________(试图)to help me，but I refused.

如图为实验室制取少量乙酸乙酯的装置图。下列关于该实验的叙述中不正确的是(　　)

A．向a试管中先加入浓硫酸,然后边摇动试管边慢慢加入乙醇和冰醋酸

B．试管b中导气管下端管口不能插入液面以下的目的是防止实验过程中产生倒吸现象

C．实验时加热试管a的目的之一是及时将乙酸乙酯蒸出,使平衡向生成乙酸乙酯的方向移动

D．试管b中饱和碳酸钠溶液的作用是吸收随乙酸乙酯蒸出的少量乙酸和乙醇