ISBN 10: 7554413015 ISBN 13: 9787554413012
Seller: liu xing, Nanjing JiangSu, JS, China
paperback. Condition: New. Paperback. Pub Date: 2015-08-01 Pages: 98 Language: Chinese Publisher: ningxia people's press. we do not advocate the workbook. from foundation to ascend. knowledge skill through practice is enough: we don't choose deviations to strange questions. The nature of science education is to cultivate thinking method.The economy student of Canon in the spring of 2018 outstanding topic in the topic: under the ninth grade chemical (.