条件状语大致有以下几种表示法:1.用从属连词引导状语从句,表示条件。(1)if意为“如果”,是最普通的从属连词之一,表示条件。if引导的从句中可以用陈述语气,也可以用虚拟语气
大马力拖拉机是中国拖拉机市场最后也是最肥的一块"牛排".直到2004年初,这块"牛排"才真正散发出馋人的肉香.
所谓阎王好斗,小鬼难缠.福田重工这回可是深刻尝到了这种滋味.
Safe water of adequate quantity, and dignified sanitation, is vital for the sustenance of a healthy and productive human population. In the recognition of this,
According to the requirements of provincial land management operation, this paper introduced a method to build municipal land usage database on country level la
The original surveying tools and methods are backward and low efficient and they will also generate lots of errors in the National secondary land surveying. Map
以EV1、EV2、EV3、EV4、EV5、EV66个抗旱性不同的油菜品种为试验材料,通过不同浓度PEG-6000渗透溶液模拟干旱胁迫处理,研究油菜幼苗的抗旱指数、根长、苗高和根冠比等性状变化,