Although SPanish, he attended the course.()
A. he was knowing B. he is knowing C. having a knowledge of D. knows
B. he was knowing B. he is knowing C. having a knowledge of D. knows
C. he was knowing B. he is knowing C. having a knowledge of D. knows
D. he was knowing B. he is knowing C. having a knowledge of D. knows
PVC浆料经离心脱水后仍有20%~25%的水分,需要通过干燥的方法除去,才能达到合格成品树脂的水分率%以下的要求()
作文以下面提供的材料为依托,遵循“请示”的写作格式只要求写明标题、 受文单位、 正文、行文单位、成文时间,按照“请示”的写作要求,以广东省人民政府的名义,向国务院起草一份内容先后有序、结构合理的“请示”。丹霞山风景名胜区位于广东省韶关市仁化、曲江两县境内, 面积 186 平方公里, 分丹霞山、韶石山、大石山三个景区。距韶关市区最近处10 公里,最远处 50 公里,柏油公路直达主峰景区,观光旅游的交
在登高对房屋进行简单维修时,只要注意安全,不戴安全帽和不系安全带也可以登高作业()