武汉长江救援志愿队被中宣部和中国志愿服务联合会授予“时代楷模”的荣誉称号，因为他们五年来怀“人溺己溺”之心、行“拿命博命”之事，在长江中救起了无数溺水者。他们的行为体现了（ ）
①珍惜生命，善待生命的情感 ②无私奉献，不求回报的志愿者精神
③不怕牺牲，为荣誉而战的气概 ④传递正能量，弘扬救死扶伤的美德
A：①②③
B：①②④
C：①③④
D：②③④
根据你的观察和对生活的感悟，仿照句子。
大自然能给我们许多启示：滴水可以穿石，是在告诉我们做事应持之以恒；大地能载万物，是在告诉我们求学要广读博览；
科学家把控制合成胰岛素的基因转入大肠杆菌后，对大肠杆菌进行大规模培养，使之大量生产胰岛素．下列相关叙述不正确的是（ ）
I'm Peter. There are four people in my family. They are my father, my mother, my grandfather and me. I'm twelve. My birthday is on 15th March. My parents are both doctors. They help people. Their birthdays are both in May. My grandfather is old. He is sixty-five. His birthday is on 9th June. He likes reading. I like reading too. I want to be a teacher in the future. I want to teach Chinese in a school.
