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目前部分农村的饮用水主要还是地下水。饮用遭到污染或硬度大的地下水不利于人体健康。政府积极建设自来水厂，让农民喝上健康的水。 （1）检验某地下水是硬水还是软水，可用的物质是______________。 （2）为了降低水的硬度，要建议农民在饮用前要___________。 （3）自来水生产过程中，可用___________方法除去水中不溶性杂质,同时还必须进行消毒. 是一种新型的自来水消毒剂,其中氯元素的化合价为___________。 （4）保护环境、珍爱水资源，是每个公民应尽的责任和义务。下列做法有利于保护水资源的是_____________（填序号） A．大量使用化肥农药 B．工业废水处理达标后排放 C．使用含磷洗衣粉 D．生活污水直接排放
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【简答题】阅读理解。 I'm Ann. I'm English. I'm twelve. I was born on May 17th, 1991. I learn Chinese at Beijing No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We are in the same grad...
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【简答题】My name is Lucy. I have two good friends, Mary and June. June and I are twelve years old. Mary is thir years old. My birthday is November 11th．June’s birthday is September 11th ．And Mary’s birthda...
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【简答题】阅读理解。 I'm Mary. I'm an English girl. My age is twelve. I was born (出生) on May 17th , 1991. I learn Chinese at Beijing No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We...
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【单选题】李尧棠是谁的原名?
A.
曹禺
B.
巴金
C.
茅盾
D.
蒋子龙
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【简答题】I’m Ann. I’m English. I’m twelve. I was born on May17th ,2001. I learn Chinese at Beijing  No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We are in the    same  grade....
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【多选题】根据相关法律规定,在我国民间借贷年利率不受法律的支持保护?
A.
12%
B.
20%
C.
26%
D.
37%
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【简答题】听五段对话，从每小题三个选项中选出正确的答案，对话读两遍。 1. When was Paul born? [     ] A. On February 6th, 1999. B. On February 5th, 1998. C On February 5th, 1999. 2. What did Deng Yaping do ten years ago? [     ] A. She was a...
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【简答题】阅读理解。 My name is Lucy. I have two good friends, Mary and June. June and I are twelve years old. Mary is thir years old. My birthday is November 11th. June's birthday is September 11th . And Mary's...
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【简答题】I’m Ann. I’m English. I’m twelve. I was born on May 17th , 1991. I learn Chinese at Beijing No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We are in the same (同样的) gra...
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【简答题】完形填空。 Hello, My name is Wang Li. I was born 1 May 15th, 1994. Today is my fourth 2 . My friends want to have a birthday party for me. We 3 celebrate it in my home this evening. Jack gives me a lon...
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【简答题】阅读理解。 I'm Ann. I'm English. I'm twelve. I was born on May 17th, 1991. I learn Chinese at Beijing No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We are in the same grad...
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【简答题】My name is Lucy. I have two good friends, Mary and June. June and I are twelve years old. Mary is thir years old. My birthday is November 11th．June’s birthday is September 11th ．And Mary’s birthda...
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【简答题】阅读理解。 I'm Mary. I'm an English girl. My age is twelve. I was born (出生) on May 17th , 1991. I learn Chinese at Beijing No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We...
查看完整题目与答案
【单选题】李尧棠是谁的原名?
A.
曹禺
B.
巴金
C.
茅盾
D.
蒋子龙
查看完整题目与答案
【简答题】I’m Ann. I’m English. I’m twelve. I was born on May17th ,2001. I learn Chinese at Beijing  No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We are in the    same  grade....
查看完整题目与答案
【多选题】根据相关法律规定,在我国民间借贷年利率不受法律的支持保护?
A.
12%
B.
20%
C.
26%
D.
37%
查看完整题目与答案
【简答题】听五段对话，从每小题三个选项中选出正确的答案，对话读两遍。 1. When was Paul born? [     ] A. On February 6th, 1999. B. On February 5th, 1998. C On February 5th, 1999. 2. What did Deng Yaping do ten years ago? [     ] A. She was a...
查看完整题目与答案
【简答题】阅读理解。 My name is Lucy. I have two good friends, Mary and June. June and I are twelve years old. Mary is thir years old. My birthday is November 11th. June's birthday is September 11th . And Mary's...
查看完整题目与答案
【简答题】I’m Ann. I’m English. I’m twelve. I was born on May 17th , 1991. I learn Chinese at Beijing No.3 Middle School. I have a good friend. Her name is Lucy. She is twelve, too. We are in the same (同样的) gra...
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【简答题】完形填空。 Hello, My name is Wang Li. I was born 1 May 15th, 1994. Today is my fourth 2 . My friends want to have a birthday party for me. We 3 celebrate it in my home this evening. Jack gives me a lon...
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