题目

根据粒子结构示意图给出的信息，下列说法正确的是（ ）A．①②⑨表示的是三个原子B．③表示的是非金属元素C．①③表示的是阳离子D．①②表示的元素的化学性质相似 答案：分析：根据原子核电荷数=核内质子数=核外电子数，可判断属于原子的有哪些；根据阳离子的核内质子数＞核外电子数，可判断属于阳离子的有哪些；根据阴离子的核内质子数＜核外电子数，可判断属于阴离子的有哪些；金属元素最外层电子数一般小于4个，非金属元素最外层电子数一般大于4．元素的性完形填空（共10小题，每小题1分，满分10分）从题中所给的A, B, C, D四个选项中选出能填入空白处的正确选项。并将所选答案填到答题卡的相应位置上。Dear dad,Happy birthday to you! On this special day, I’d like to tell you in a special way.I don’t think I’m good at telling you my thought face to face with you, so I’m _______to show my deep love for you. You are not a rich man_______ a famous person. But in my heart, you are one of the greatest _____in the world. I am _______you. You are _______interested in being famous and rich. You do ______things like paying for your phone on time, and working as a worker in your factory. The smile on your face shows you are pleased with the family. You take good care of my grandparents. You help me with my schoolwork and do some shopping with mom on Sundays.In the past, I didn’t care __________you were with me or not. Now I am sorry ______I didn’t realize you before. But I am thankful for what you have done for me.I am quite lucky that I have________ a great father. And I feel happy that now I can let you know ______I love you. You are successful as a son, a husband, a father and a friend.Love from,Lydia1.A. writing B. thinking C. reading D. speaking2.A. and B. or C. also D. as well3.A. kids B. adults C. men D. women4.A. worried about B. proud of C. afraid of D. sorry for5.A. always B. ever C. already D. never6.A. common B. interesting C. wonderful D. popular7.A. what B. that C. whether D. where8.A. say B. to say C. says D. saying9.A. too B. so C. very D. such10.A. how many B. how much C. how often D. how wide