下列各句中,划线的成语使用恰当的一项是()
A:钱学森是中国航天科技事业的先驱和杰出代表,他胸怀坦荡,光风霁月,是众人仰慕的对象。
B:莫言的小说首先征服你的是语言,那一个个平淡的文字背后深藏着穿云裂石的哀痛和五彩斑斓的怜爱。
C:空谈误国,实干兴邦。要保持社会经济良好的发展态势,就必须力戒浮躁心态,坚决反对坐而论道,而应大力发扬求真务实的精神。
D:索马里海域的海盗们装备精良,动辄劫持商船,扣押人质,索要巨额赎金。相形之下,世界其他地方海盗活动的猖獗程度,均无出其右。
A. 木炭粉和二氧化锰——观察颜色 B. 硬水与软水——肥皂水
C. 氮气与二氧化碳——燃着的木条 D. 二氧化碳与氧气——____;
阅读下面材料,从A、B、C、D四个选项中选出最佳选项。
Off the Beaten Cart Path
The best-selling travel book which includes over 200 new places of interest, over 200 new full-color photographs, and all-new, up-to-date maps. It includes over 1,000 of the United States most must-see destinations.
Cover price: $30.00 Our price: $19.80
Parents
The most popular magazine for parents who want to raise smart andloving children. It has child development guidance, advice on your child's health and safety, and the best way to encourage your child's learning.
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Best Weekend Projects
The projects are chosen from 80 special ideas to create an unusual living space. They are practical, as well as creative. They will improve your home and yard and can be made on weekends. And the most important of all, they are easy to follow.
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Lucky
The shopping magazine with the best buys, and the fashion tips. You'll need them before you go to the stores. What makes Lucky really special is that it gives you the information you need before anyone else has it.
Cover Price: $18.50 Our Price: $15.50
人与人之间的交往,无论你怎么小心呵护,都存在伤害和被伤害。人心本善,我们却时常在无意中伤害他人;坚信世界的美好,却不经意被世界伤害。看开点,没有伤害,怎么体悟被伤的痛,怎会感悟曾经的美好,怎能珍惜当下的拥有。请以“珍惜当下拥有的______”为题,写一篇记叙文或议论文。
要求:①先把题目补充完整,如“幸福”、“知识”、“自我小天地”、“青春”、“梦想”、“友谊”等等。②文体符合要求,立意自定,题目自拟;字数不少于600字,书写公正、规范;③不得抄袭或套作;④作文中不要出现真实的人名、校名、地名。