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Early one morning the sub­inspector at a station at the other end of the town rang me. An elephant was damaging the town. Would I please come and do something about it? I did not know what I could do, but I got onto a horse and started out.  I took my gun, maybe too small to kill an elephant, but I thought the noise might scare him. Various local people stopped me on the way and told me about the elephant's doings. It was not, of course, a wild elephant, but a tame one. It had been chained up but last night it had broken its chain and escaped. Its owner, had set out to run after it, but had taken the wrong direction. He was now twelve hours' journey away, and in the morning the elephant had suddenly appeared in the town. It had already destroyed somebody's bamboo hut (棚屋), killed a cow and turned over fruit­stalls. I came round the hut and saw a man's dead body sprawling in the mud.  He was an Indian, and he could not have been dead many minutes. The people said that the elephant caught him with its trunk, put its foot on his back and grounded him into the earth. This was the rainy season and he was lying on his stomach in the soft mud, the_ _peacebreaker standing beside, looking innocent. As I lifted my gun, I hesitated a few seconds. Then I fired. That was a shot that did for him. You could see the pain of it knock the last strength from his legs. But in falling he seemed for a moment to rise, his trunk reaching skyward like a tree. He trumpeted, for the first and only time. And then down he came, with a crash that shook the ground. 小题1:Which of the following statements about the author is TRUE? A.He was an Indian. B.He knew elephants well. C.He was not a local villager. D.He was the owner of the elephant. 小题2:The elephant made so much trouble because ________. A.its owner treated him cruelly B.it got out of control C.it hated the village people D.it was a wild elephant 小题3:The underlined words “the peacebreaker” in Paragraph 4 refer to ________. A.the elephant B.the dead man C.the author D.the sub­inspector 小题4:It can be inferred that the author felt ________ when he shot the elephant. A.excited B.sad C.frightened D.happy
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【简答题】毕达哥拉斯对美的本质的理解是() A美是理念 B美是典型 C美是形式 D美是生活
【单选题】合成气为原料,可用四种不同催化剂完成四种不同的反应,这意味着( )
A.
催化剂能够加快化学反应速率,但它本身并不进入化学反应的计量。
B.
催化剂对反应具有选择性,即催化剂对反应类型、反应方向和产物的结构具有选择性。
C.
催化剂只能加速热力学上可能进行的化学反应,而不能加速热力学上无法进行的反应。
D.
催化剂只能改变化学反应的速率,而不能改变化学平衡的位置(平衡常数)。即催化剂不改变化学平衡,意味着既能加速正反应,也能同样程度地加速逆反应,这样才能使其化学平衡常数保持不变。
【单选题】氨合成用熔铁催化剂,1吨催化剂能生产出约2万吨氨,这意味着
A.
催化剂能够加快化学反应速率,但它本身并不进入化学反应的计量
B.
催化剂对反应具有选择性,即催化剂对反应类型、反应方向和产物的结构具有选择性
C.
催化剂只能加速热力学上可能进行的化学反应,而不能加速热力学上无法进行的反应
D.
催化剂只能改变化学反应的速率,而不能改变化学平衡的位置(平衡常数)。即催化剂不改变化学平衡,意味着既能加速正反应,也能同样程度地加速逆反应,这样才能使其化学平衡常数保持不变。
【单选题】在禁火区需做动火作业时,必须取得动火证。做动火分析时,取样与动火的间隔不得超过( )min;动火作业中间停止作业时间超过( )min,必须重新取样分析。
A.
3030
B.
3060
C.
6030
D.
6060
【判断题】撤消与重复操作可避免误操作而造成的损失。()
A.
正确
B.
错误
【单选题】合成气为原料,可用四种不同催化剂完成四种不同的反应,【图片】这意味着( )
A.
催化剂能够加快化学反应速率,但它本身并不进入化学反应的计量。
B.
催化剂对反应具有选择性,即催化剂对反应类型、反应方向和产物的结构具有选择性。
C.
催化剂只能加速热力学上可能进行的化学反应,而不能加速热力学上无法进行的反应。
D.
催化剂只能改变化学反应的速率,而不能改变化学平衡的位置(平衡常数)。即 催化剂不改变化学平衡,意味着既能加速正反应,也能同样程度地加速 逆反应,这样才能使其化学平衡常数保持不变。
【简答题】由于催化剂能够同等程度的增加正反应速率和逆反应速率,因此它对化学平衡的移动( )影响。也就是说,催化剂( )改变达到化学平衡状态的反应混合物的组成,但是使用催化剂,能够改变反应达到平衡所需的时间。
【单选题】毕达哥拉斯对美本质理解是( )。
A.
理式
B.
理念
C.
美是数的和谐
D.
形式和比例
【单选题】在禁火区需动火作业时,必须取得动火证。做动火分析时,取样与动火的间隔不得超过()min;动火作业中间停止作业时间超过()min,必须重新取样分析。
A.
30,30
B.
30,60
C.
60,30
D.
60,60
【判断题】撤消与重复操作可避免误操作而造成的损失
A.
正确
B.
错误
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