主页
学科
搜索
账户
常见问题
当前学科：植物病理学
题目：
问答题
简述植物细菌病害的发生特点和防治要点。
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:
电工指示仪表按结构原理分为：磁电系仪表、电动系仪表、（）、感应系仪表和静电系仪表等。
肾虚腰痛除主穴外，应加取()
小儿单纯性肥胖的发病与下列哪些因素有关（）。
收款时发现客户缴款差错，应如何处理？
为什么说四圣谛是修行重要的核心？
企业使命包括()等具体内容。
创立了“临桂词派”，被称作“岭表词宗”的是()。
中银快付与网银支付可开通在一个商户号下，也可分别开立商户号。（）
Dick was a sailor on a big ship.(迪克是一艘大船上的海员。) It went to Japan and Australia,__21__ Dick was often on the ship for several months at a time. When he woke up in the morning and looked out, he only saw the sea, __22__ sometimes a port.When he was twenty-four, Dick __23__ and bought a small house with a garden in his wife's town. It was far away fromthe sea. Then he had to go back to his ship, and he __24__ home for two months. He went from the port to the town by bus, and was very happy to see his wife again.The next morning he slept until 9 o'clock. Then he woke up suddenly and looked out of the window. There were trees a few feet __25__. He was very frightened and jumped out ofbed, shouting,"We've hit land!"21.A.orB.did not comeC.soD.got marriedE.away22.A.orB.did not comeC.soD.got marriedE.away23.A.orB.did not comeC.soD.got marriedE.away24.A.orB.did not come12C.soD.got marriedE.away25.A.orB.did not comeC.soD.got marriedE.away
抹完罩面灰后，压光跟得太紧，灰浆没有收水，故压光后多余的水汽化后产生（）现象。