项目
试验名称
主要仪器
A
灼烧石灰石检验生石灰的生成
药匙、酒精喷灯
B
加热氯酸钾与二氧化锰的混合物制取氧气
烧杯、酒精灯
C
分别灼烧葡萄糖、砂糖、面粉检验其含有碳元素
锥形瓶、酒精灯
D
研磨硫酸铵与熟石灰的混合物检验铵盐
研钵、研杵
A:A
B:B
C:C
D:D
我国季风气候显著,各地降水量受夏季风的影响,分布很不均匀,而降水量的多少深刻地影响着人们的生产和生活.根据下列描述,判断年降水量最丰沛的地方是( )
过去的一年,***多次在公开讲话中引经据典,很多古语名句富含哲理,给人启迪。下列对古语名句的哲学寓意理解正确的是( )。
①天下难事,必作于易;天下大事,必作于细——抓住时机,促成质变
②明者因时而变,知者随事而至——事物是变化发展的
③履不必同,期于适足;治不必同,期于利民——矛盾具有特殊性
④伤其十指,不如断其一指——看问题要分清主流和支流
阅读理解。根据短文,判断正误。
There are two picturesabout our city. One is now. the other one is before(以前的). Look! There was a small park, but now there is a big and beautiful park. And there is a lake with some ducks on it. There wasn't a lake before. In our city there were some old houses, small trees. But now there are some new and high buildings(建筑物). The trees are very tall and the flowers are very beautiful. There are some supermarkets and some cars now. I love my city. Do you want to visit here?