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试题答案

本文从以下几个角度介绍。

    1、重庆巴蜀中学2024高考适应性月考化学
    2、2024巴蜀中学月考二化学
    3、重庆巴蜀中学2024高考适应性月考二
    4、重庆市巴蜀中学高考适应性月考六化学
    5、重庆巴蜀中学2024高考适应性月考
    6、2024巴蜀中学适应性月考1化学

2、重庆市巴蜀中学2027届高二10月适应性月考政治试题


5、重庆市巴蜀中学2027届高二10月适应性月考化学试题


I'm Peter..lnI935,I got engaged（订婚).But unluckily,I lost my job..
Though I got a job again six months later,I was very short of money.
I came to your shop to buy a ring.The sales assistant took out some rings for me暑假作业天天练通用版英语
二、l.to have2.had fun3.isn'the4.had
二、1.D2.A3.D
better 5.hour;half
三、1.Would you like2.How about3.Why


36．词义猜测题。根据“As a result, a cheetah can hold the head still to centre on preys, and keep balance when it changes direction while running.”可知，猎豹在奔跑时能保持头部不动以锁定猎物，所以“lock onto”的意思是“锁定”，故选D。
The blue whale (鲸) is the largest animal alive today. And one of these whales made a long journey through the South Pacific. The whale named Isabellla was first recorded near the Galapagos Islands, west of Costa Rica. Years later, people saw Isabellla off the coast (海岸) of Chile in South America. The two places are about 5,200 kilometres away.
Blue whales are found in all the world’s oceans (海洋) but live in deep waters. So there are few places where they can be found easily. What’s more, they were almost driven (驱逐) by whaling (捕鲸业) a century ago. Their number is increasing (增加). But because there are so few of the animals, they are still thought endangered (濒危的).
One blue whale may look like any other to most of us. But each animal has special spots (斑点). “We use those spots as the fingerprints (指纹) of blue whales,” Torres Florez says. To make the comparison (对比) job easier, scientists mainly watch the area around a whale’s dorsal fin (鳍), which is on its back. “Comparing those spots, we are able to tell if a whale is the same whale we saw in different places or if the same whale is seen during different years in the same place,” he says.
Isabella is not the only blue whale to travel so far, the scientists say. Whales migrate regularly (定期地) from Chile to the Galapagos. In summer months, waters in the far southern Pacific are full of krill (磷虾), but that food disappears (消失) in winter. That’s when the whales travel north to warm, tropical (热带的) waters near the Galapagos. There, instead of feeding, the whales give birth to babies. Scientists don’t know why whales like to have babies in tropical waters. But the ocean there may be warmer and calmer and have fewer killer whales that would feed on baby blue whales, according to Torres Florez.
37．What can we infer about blue whales in Paragraph 2
A．They are not in danger any more. B．It’s difficult for scientists to study them.


3、重庆市巴蜀中学2027届高二10月适应性月考英语试题


1、重庆市巴蜀中学2027届高二10月适应性月考语文试题


2、重庆市巴蜀中学2027届高二10月适应性月考物理试题


5、重庆市巴蜀中学2027届高二10月适应性月考地理试题


2、重庆市巴蜀中学2027届高二10月适应性月考语文试题


3、重庆市巴蜀中学2027届高二10月适应性月考物理试题


【解析】 杂化轨道用于形成σ键或容纳孤电子对,剩余p轨道参与形成π键,①错误;分子中可以只含σ键,π键不能单独存在,一定要和σ键共存,②正确;π键不稳定,易断裂,含有π键的化合物的化学性质较活泼,与只含σ键的化合物的化学性质不同,③正确;非金属元素原子常以共用电子对形成化学键,两个非金属元素的原子之间形成的化学键都是共价键,④正确;
NH3中N的sp3杂化轨道是由N的3个p轨道与1个 s轨道杂化而成的,⑤错误;成键的原子间原子轨道重叠越多,成键原子间的距离越小,共价键越牢固,⑥正确;N最外层有5个电子,有3个未成对电子,1个N最多只能与3个H结合形成NH3,是由共价键的饱和性决定的,⑦正确。
10.研究分子结构与性质之间的关系是从微观结构角度解释物质宏观性质的重要途径。下列关于分子结构与性质的说法正确的是(　　)
[A] 因键长Si—Cl>Si—F,故SiCl4的熔点高于SiF4的
[B] 因原子半径S>O,故H2S的键角比H2O的键角大
[C] 三氟乙酸分子比乙酸分子中O—H的极性强,则相同条件下Ka(CF3COOH)>
Ka(CH3COOH)


(4)蒸馏


3、重庆市巴蜀中学2027届高二10月适应性月考生物答案