【多选题】下列要求中,属于花境植物质量要求的是( )。
A.
宿根花卉根系发育良好,每丛3~5个芽,选用常绿或绿色期长的品种,无明显病虫害或机械损伤
B.
根茎类多年花卉宜选用休眠不需每年挖掘地下部分作养护处理的种类。要求植株健壮、生长点多
C.
球根花卉的种球大小基本一致,种球无明显病虫害
D.
矮生木本植物应选用株型丰满、无明显病虫害的观花或观叶植物。木本植物宜经移栽或盆栽
【判断题】车床上的丝杆与螺母组成的运动副为螺旋副。
【单选题】绕线式异步电动机转子串频敏变阻器启动时,随着转速的升高,( )自动减小。
【单选题】2011年10月,大连某小区住宅楼工程在地下车库浇筑施工过程中,发生模板坍塌事故,造成13人死亡、4人重伤,1人轻伤,直接经济损失1237.72万元,则该事故属于( )。
【简答题】下列植物中,属于徐州地区的乡土树种的有()
【单选题】— Could you please tell us about some good ways to learn English? — My suggestion is that reading often and writing regularly _____. [ ]
【单选题】My suggestion is that you should yourself to the new urban living style.A.adaptB.applyC.adoptD.
A.
My suggestion is that you should ____ yourself to the new urban living style. A.adapt
【简答题】Developing school skills Books to help you to become better teachers or better learners These materials can help both teachers and students of different levels and grades. Reading and Langua...
【简答题】( )法能做到连续,均衡而有节奏地组织施工。