1.选择题- (共6题)
阅读理解
People are compassionate. With effort, we can translate compassion into action. An experience last weekend showed me this is true. I work part-time in a supermarket across from a building for the elderly. These old people are our main customers, and it's not hard to lose patience over their slowness. But last Sunday, one aged gentleman appeared to teach me a valuable lesson. This untidy man walked up to my register (收款机) with a box of biscuits. He said he was out of cash, had just moved into his room, and had nothing in his cupboards. He asked if we could let him have the food on trust. He promised to repay me the next day.
I couldn't help staring at him. I wondered what kind of person he had been ten or twenty years before, and what he would be like if luck had gone his way. I had a hurt in my heart for this kind of human soul, all alone in the world. I told him that I was sorry, but store rules didn't allow me to do so. I felt stupid and unkind saying this, but I valued my job.
Just then, another man, standing behind the first, spoke up. If anything, he looked more pitiable. “Charge it to me,” was all he said.
What I had been feeling was pity. Pity is soft and safe and easy. Compassion, on the other hand, is caring in action. I thanked the second man but told him that was not allowed either. Then I reached into my pocket and paid for the biscuits myself. I reached into my pocket because these two men had reached into my heart and taught me compassion.
阅读理解
People are compassionate. With effort, we can translate compassion into action. An experience last weekend showed me this is true. I work part-time in a supermarket across from a building for the elderly. These old people are our main customers, and it's not hard to lose patience over their slowness. But last Sunday, one aged gentleman appeared to teach me a valuable lesson. This untidy man walked up to my register (收款机) with a box of biscuits. He said he was out of cash, had just moved into his room, and had nothing in his cupboards. He asked if we could let him have the food on trust. He promised to repay me the next day.
I couldn't help staring at him. I wondered what kind of person he had been ten or twenty years before, and what he would be like if luck had gone his way. I had a hurt in my heart for this kind of human soul, all alone in the world. I told him that I was sorry, but store rules didn't allow me to do so. I felt stupid and unkind saying this, but I valued my job.
Just then, another man, standing behind the first, spoke up. If anything, he looked more pitiable. “Charge it to me,” was all he said.
What I had been feeling was pity. Pity is soft and safe and easy. Compassion, on the other hand, is caring in action. I thanked the second man but told him that was not allowed either. Then I reached into my pocket and paid for the biscuits myself. I reached into my pocket because these two men had reached into my heart and taught me compassion.
阅读理解
People are compassionate. With effort, we can translate compassion into action. An experience last weekend showed me this is true. I work part-time in a supermarket across from a building for the elderly. These old people are our main customers, and it's not hard to lose patience over their slowness. But last Sunday, one aged gentleman appeared to teach me a valuable lesson. This untidy man walked up to my register (收款机) with a box of biscuits. He said he was out of cash, had just moved into his room, and had nothing in his cupboards. He asked if we could let him have the food on trust. He promised to repay me the next day.
I couldn't help staring at him. I wondered what kind of person he had been ten or twenty years before, and what he would be like if luck had gone his way. I had a hurt in my heart for this kind of human soul, all alone in the world. I told him that I was sorry, but store rules didn't allow me to do so. I felt stupid and unkind saying this, but I valued my job.
Just then, another man, standing behind the first, spoke up. If anything, he looked more pitiable. “Charge it to me,” was all he said.
What I had been feeling was pity. Pity is soft and safe and easy. Compassion, on the other hand, is caring in action. I thanked the second man but told him that was not allowed either. Then I reached into my pocket and paid for the biscuits myself. I reached into my pocket because these two men had reached into my heart and taught me compassion.
Mr. Smith, together with his wife and children, {#blank#}1{#/blank#} (be) going to visit Beijing next year.
As more and more cars are produced and used, the emission from their exhaust pipes contains an even larger volume of {#blank#}1{#/blank#} (poison) gas.
Tom asks, “Why does the moon move around the earth?” Perhaps he shows {#blank#}1{#/blank#} (curious) about everything.
2.单选题- (共5题)

A. +l B. +2 C. +3 D. +4
3.填空题- (共3题)
①(2分)一个青蒿素分子中含有 个原子。
②(2分)青蒿素分子中C、H、O三种元素的质量比为 。
(1)如图显示了自然界中水的循环,下列说法中不正确的是 (填序号)。

A.水循环是通过水的三态变化实现的
B.太阳为水循环提供了能量
C.垃圾随意丢弃不会造成水污染
(2)某干旱地区打井取水,用井水洗衣服时发现产生泡沫少,且有白色垢状物,则该井水是 (填“硬水”或“软水”)。
(3)下列比例模型中,代表水分子的是 (填序号)。

A B C D
(4)下图是电解水实验装置。在实验过程中,试管a产生的气体是 ,写出水在通电条件下反应的化学方程式(或化学式表达式) 。

(5)天然水中含有许多杂质,可利用吸附、沉淀、过滤和蒸馏等方法净化,其中净化程度最高的方法是 。
(6)某种硬水煮开后,在容器底部出白色的埚垢。你认为锅垢可能含有什么元素?
答:
(7)天然水中含有许多杂质,实验室常用过滤的方法除去水中悬浮的杂质,在实验室进行该操作,不需要用到下列仪器中的 、 (填序号)。

4.实验题- (共1题)

(1)写出图一中a和b的仪器名称:a b ;
(2)选择图一中的装置制取和收集二氧化碳气体,那么应选择的装置是 和 ;
在实验室中制取二氧化碳气体的常用药品:液体是 ,固体是 。
(3)若要用图二装置收集二氧化碳气体,则气体应从 (填c或d)端通.理由是 .
(4)用制取的二氧化碳进行如下有关性质实验:

①实验(II)中溶液变 色;
②实验(III)中加热之后,溶液又变为 色,解释出现此现象的原因 。
(5)实验室用高锰酸钾制取氧气的化学反应方程式(或化学式表达式) 若要用排水法收集一瓶较纯净的氧气,开始收集氧气的最佳时机是 。
(6)同学称取一定质量的KMnO4固体放入大试管中,将温度控制在250℃加热制取O2。实验结束时,乙同学发现用排水法收集到的O2大于理论产量。针对这一现象,同学们进行了如下探究:
[提出猜想]猜想I:反应生成的MnO2分解放出O2;
猜想II:反应生成的K2MnO4分解放出O2;
猜想III:反应生成的K2MnO4和MnO2分解都放出O2。
[实验验证]同学们分成两组,分别进行下列实验:
第一组同学取一定质量的MnO2,在250℃条件下加热一段时间,冷却后测得MnO2的质量不变,则猜想 错误;第二组同学取K2MnO4在250℃条件下加热,没有用测定质量的方法得出了猜想II正确的结论。该组同学选择的实验方法是 。
[拓展延伸]实验发现,KClO3固体加热制取O2的反应速率很慢,但如果将KMnO4固体与KClO3固体混合加热,则KClO3的分解速率大大加快。
请说明KMnO4在KClO3的分解反应中是否作催化剂,为什么? 。
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【1】题量占比
选择题:(6道)
单选题:(5道)
填空题:(3道)
实验题:(1道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:4
7星难题:0
8星难题:2
9星难题:3