下列属于三级信息源的是() A.《中国国家处方集》 B.《中国医院药学杂志》 C.《 发布时间:2017-06-13 23:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列属于三级信息源的是()A.《中国国家处方集》B.《中国医院药学杂志》C.《中国药学杂志》D.《中国执业药师》杂志E.《中国药学会年会论文集》
题型:单项选择题 完形填空。 A king was old and he knew it was time to choose a new king. He told all the young people in the country,"I'll give 1 of you a seed (种子). Plant it and bring it back one year later. Show me the plant that you bring. 2 I'll choose a new king from you." A boy 3 Ling got a seed, too. He planted it 4 . But the seed doesn't grow at all. A year later, Ling had to take his 5 box to the palace. Others all brought beautiful plants there and Ling felt 6 . The king 7 the palace and look around. When he found there was nothing in Ling's box. The king smiledand said to the others,"One year ago, I gave everyone a seed 8 couldn't grow. But all of you, 9 Ling, have bought me plants and flowers. Ling was the only one with the honesty (诚实) and 10 to bring such a box. So he will be the new king!" ( )1. A. each ( )2. A. and ( )3. A. liked ( )4. A. careful( )5. A. full ( )6. A. sad ( )7. A. got ( )8. A. which ( )9. A. besides( )10. A. skill B. neither B. but B. helped B. carefullyB. empty B. excited B. arrived B. who B. with B. courage C. both C. although C. named C. careless C. beautiful C. happy C. went C. what C. except C. experienceD. none D. so D. asked D. carelessly D. broken D. satisfied D. arrived at D. it D. as D. fear 查看答案
题型:单项选择题 用下列物质的序号回答有关问题:(注意有的空格不只有一个答案,多填、少填均不给分)(1)已知“o”、“●”表示质子数不同的原子.下列表示的气体物质中,属于化合物的是 ___ 表示的气体物质中,属于混合物的是 ______.(2)有下列物质:①雨水;②蒸馏水;③雨后洁净的空气;④四氧化三铁;⑤液氮;⑥高锰酸钾完全分解后的固体产物其中属于混合物是_______ ,属于纯净物是 ______ ,属于单质的是 ____,属于氧化物的是 _________ . 查看答案