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2、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学试题


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学试题


( ) 1．A．dad B．mum C．friend
( ) 2．A．is B．this C．that
( ) 3．A．are B．is C．to
( ) 4．A．who B．where C．nice
( ) 5．A．grandpa B．live C．grandma
选出每组单词中不同类的一项。
( ) 6．A．bag B．girl C．hat


【导语】本文介绍了老虎的数量在减少的现状以及原因，我们应采取措施挽救老虎。
26．段落大意题。根据第一段“There were once eight kinds of tigers in the world, but three died out during last century. In the past 70 years, the number of the Siberian tigers has gone from as many as 300 to somewhere between 18 and 22.”可知，老虎的数量在过去的一个世纪里大幅减少。故选D。
27．词义推断题。根据“Volunteers from WWF remove traps every year, but we cannot clear all the traps ourselves”可知，WWF的志愿者每年都会……陷阱，但他们无法自己清除所有的陷阱。由此推断出“remove”意为“移除”。故选A。
28．细节理解题。根据最后一段“Wild animals such as deer and wild boars are tigers’ main... can do is to save the animals tigers eat. ‘To protect the tigers, we need to call on more people to stop hunting wild animals.’ ”可知，提到的对西伯利亚虎的危险包括：鹿和野猪的数量减少；各种陷阱仍然存在以及人们试图阻止非法狩猎，但没有提到老虎的生活区域变小。故选B。
Sarah the seagull(海鸥) and her mum lived in New York by the sea.
Every day Sarah and her mum would fly over the waves, diving in to eat the small fish that swam in the shallow(浅的) water. Sometimes people would feed Sarah and her mother a sandwich or some potato chips. They always had a lot to eat. At night, Sarah and her mother would rest under the roof(屋顶) of a nearby building. It was a quite warm place to live in.
But one day it started to get colder. The little fish that were always swimming in the waves were a lot harder to find. There were no more people coming to the beach, so no one was there to feed Sarah and her mother any sandwiches or chips.


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学答案


5、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学答案


1、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学答案


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学答案


2、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学试题


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学答案


11.【答案】Na2CO3。
导电。
很不活泼。
硬度大（答案不唯一）
12.【答案】氧化物；
1：2；
氮、氧；


B.胶体区别于其他分散系的本质特征是具有丁达尔现象
C.丁达尔效应是由于胶体粒子对光线的反射
D.光束通过云雾、蔗糖溶液、蒸馏水，均不出现丁达尔现象
6.下列物质在水中的电离方程式不正确的是
A.H2SO1—2H++SO%
B.KCIO=K++CI-+302
C.Ba(OH)2=Ba2+20H


3、[天一大联考]河南省2025-2026学年高二年级阶段性诊断数学答案