题目

下列是对酒精部分性质和变化的描述，用序号回答问题：酒精是①无色透明的液体；②易挥发；③易燃烧；④能溶解碘和酚酞等多种物质。属于物理性质的是；属于化学性质的是。 答案：【1】①②④【2】③阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。Once there was a baby eagle living in a nest (巢) on a cliff (山崖)．The baby eagle loved his nest．It was warm, soft and comfortable．And even better, he had all the food and love that his mother could give．Whenever the baby eagle was hungry, his mother would always come just in time with the delicious food he liked.He was growing happily day after day．But suddenly his world eagle changed．His mother stopped coming to the nest, he was full of sadness and fear．He thought he would die soon．He cried, but nobody heard him.Two days later mother appeared with some nice food．The baby eagle was wild with joy．But his mother put the food at the top of the mountain and then looked down at her baby．The baby eagle cried out, “Mum, why did you do this to me? I’m hungry．Don’t you know I will die if I have nothing to eat?”“Here is the Last meal I give you．Come and get it by yourself.” his mother said．Then she flew down and pushed the baby eagle out of the nest.The baby eagle fell down, faster and faster．He looked up at his mum.“ Why do you abandon me?” He looked down at the earth．The ground was much closer．Then something strange happened．The air caught behind his arms and he began to fly! He wasn’t moving to the ground any more．Instead, his eyes were pointed up at the sun.You are flying! You can make it!” His mother smiled.1.Which of the following is TRIJE about the baby eagle’s life before his mother stopped coming to the nest?A．lie lived in a nest in the tree．B．He was always cold and hungry．C．He lived very happily with friends．D．His mother offered him nice food.2.How did the baby eagle feel as soon as lie saw his mother coming again?A．SadB．AfraidC．HappyD．Angry3.What does the word “abandon” mean?A．保护B．抛弃C．歧视D．拯救4.We can infer (推断) from the story that _____________A．The baby eagle lost his motherB．The baby eagle fell down and diedC．The baby eagle was still angry with his mother.D．The baby eagle could get food himself.