主页
学科
搜索
账户
常见问题
当前学科：水稻
题目：
单选
程管民安徽省桐城市桐城市种子管理局审题人：张长海安徽省桐城市桐城市种子管理局3、喷施多效唑防止水稻徒长的时期应在（）。
A . 播种前
B . 播种后
C . 秧苗1叶1心时
D . 移栽前
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
依据《建筑隔墙用保温条板》中条板产品应按（）、（）分类贮存。存放场地应平整，下部用方木或砖垫高。
某采石场是个体工商户。采石场雇佣村民韩某驾驶拖拉机在采石场运送石料。2009年3月17日，韩某到采石场工作的第二天，在采石场驾驶拖拉机超载石料，经采石场陡坡时，坡度很陡，路面凹凸不平，韩某操作失误，致使车辆翻车，被车上滑下的料石砸中头后部，当时韩某没有戴安全帽，经抢救无效死亡。根据上述描述，请判断以下说法是否正确，采石场的道路坡度、宽度、转弯半径和路况应符合设计和规程要求。
As Christmas is coming, there are presents to be bought, cards to be sent, and rooms to be cleaned. Parents are ___1___ with difficult jobs of hiding presents from curious young children. If the gifts are large, this is sometimes a real ___2___. On Christmas Eve, young children find the excitement almost unbearable. They are torn between the wish to go to bed early so that Father Christmas will bring their presents quickly and the wish to stay up late so that they will not miss the fun. The wish for gifts usually proves stronger. But though children go to bed early, they often lie awake for a long time, hoping to get a short ___3___ at Father Christmas. Last Christmas, my wife and I successfully hid a few large presents in the storeroom. I ___4___ the moment when my son, Jimmy, would ask me where that new bike had come from, but ___5___ he did not see it. On Christmas Eve, it took the children hours to go to sleep. It must have been nearly ___6___ when my wife and I went quietly into their room and began filling stockings. Then I pushed in the ___7___ I bought for Jimmy and left it beside the Christmas tree. We knew we would not get much sleep that night, for the children were ___8___ to get up early. At about five o’clock the next morning, we were woken by loud sounds coming from the children’s room — they were shouting excitedly! Before I had time to get out of bed, young Jimmy came riding into the room on his new bike, and his sister, Mary, followed close behind pushing her new baby carriage. Even the baby arrived. He moved ___9___ the hands and knees into the room dragging a large balloon behind him. Suddenly it burst. That woke us up ___10___. The day had really begun with a band! ___5___内应选（）
下颌游离端局部义齿基托后缘应覆盖于（）
标志设计过程中的信息调研与分析主要是围绕（）来分析与整理人.
小卷(张)自印复写纸
下列哪一项不是支气管呼吸音的特征（）
某机翼，蒙皮，骨架δ=0.6mm，用什么方法制窝？
具体的贮存库区条件和"七防"（防火、防爆、防雷、防静电、防潮、防盗、防汛）设施是否符合相关的规范要求是爆破器材贮存安全检查的要点之一。
海绵窦内侧壁相邻的是()海绵窦后部相邻的是()海绵窦下壁相邻的是()