____、____、____、____等是具有开发前景的新能源。

     A woman is having some trouble(患病) with her eyes, so she goes to see the doctor. He is a new doctor and doesn’t know her, so he asks some questions and one of them is, “How old are you?”

     The woman says, “I don’t know, doctor, but let me think about it.” She thinks for a few minutes and then says, “Yes, I know now, doctor! When I marry(结婚), I am eighteen years old, and my husband is thirty. Now my husband is sixty. And that is twice(两倍) thirty. So I am twice eighteen. That’s thirty-six, isn’t it?”

①自信的人目标明确,主次分明,不会被与任务无关的事情所干扰

②自信的人心无旁骛,做事全力以赴

③自卑者面对困难选择逃避,失去竞争的机会,与成功无缘

④自信的人能够与他人真诚合作

临床上根据病人病情的需要，会有针对性地选用不同的血细胞成分或血浆成分进行输血．对于严重贫血，大面积烧伤，血小板减少患者，应分别输入的血液成分是（    ）