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2、学科网 2026届新高三学情摸底考政治(河北卷)试题


3、学科网 2026届新高三学情摸底考化学(河北卷)试题


Text 7
W:I don't know how you can eat that.(8)
M:I love it. Yogurt is one of the healthiest things you can eat.(8)
W:I know—— but the smell turns my stomach.(8)
M: When I was a kid, I used to feel the same about cheese and cream. Now, I can't get e-nough of them.
W: Yogurt smells sour to me.
M: You should try some. This place makes its own. It's well known for it.


My name is Jack. I live in Canada. Niagara Falls is famous here. I have many friends. They live in different countries. Li Hong is from(来自) China. The Palace Museum is in China. Tim lives in London. He likes to go to Big Ben. I also know a girl from the U.S. Her name is Lily. She likes the Golden Gate Bridge. Peter is from Australia. He likes kangaroos very much. Look, these are our pictures.
50．Jack has many friends in different countries. ( )
51．Tim likes to go to Big Ben. ( )
52．Peter lives in Canada. ( )
53．Niagara Falls is in Canada. ( )
54．Lily is from Australia. ( )
We live in China. We speak Chinese. China is where we live. Beijing is the capital city of China. The U.S. is east of China. Washington D．C． is the capital city of the U.S. The U.S. is south of Canada. Ottawa is the capital city of Canada. They speak English and French in Canada. London is the capital city of the U.K. It is west and a little north of China. Canberra is the capital city of Australia. It is south and east of China. They speak English in Australia.


4、学科网 2026届新高三学情摸底考 (河北卷)试题


3、学科网 2026届新高三学情摸底考数学(河北卷)试题


2、学科网 2026届新高三学情摸底考政治(河北卷)试题


6、学科网 2026届新高三学情摸底考生物(河北卷)试题


2、学科网 2026届新高三学情摸底考数学(河北卷)试题


4、学科网 2026届新高三学情摸底考生物学(河北卷)试题


1.【答案】A
【解析】解：A、烧制青花瓷，陶瓷是新物质，属于化学变化；故选项正确；
B、编织中国结，没有新物质生成，属于物理变化；故选项错误；
C、雕刻石狮子，没有新物质生成，属于物理变化；故选项错误；
D、裁剪纸窗花，没有新物质生成，属于物理变化；故选项错误；
故选：A。
有新物质生成的变化叫化学变化，没有新物质生成的变化叫物理变化。化学变化的特征是：有新物质生成。判断物理变化和化学变化的依据是：是否有新物质生成。


16.（7分）（1）P 2N Al3+
（2）①1个二氧化硫分子（或者二氧化硫这种物质）
②3个镁离子 镁离子带2个单位的正电荷 ③氯原子的质子数是17
17．（7分）（1）无色或密度小于空气 （2）单质 H2+O2 H2O （3）AC
（4）耗尽集气瓶中的氧气（合理即可） 22%
18．（8分）（1）原子 Na+、Cl-
（2）①A 由同种分子构成 ②氢分子 在化学变化中分子可以再分，原子不可再分（合理即可）


3、学科网 2026届新高三学情摸底考生物(河北卷)答案