The (結(jié)合)______ of one oxygen atom and two hydrogen atoms makes one water molecule.

 

練習冊系列答案
相關(guān)習題

科目:高中英語 來源:2010-2011學年廣東省龍山中學高一下學期期中考試英語試卷 題型:填空題

單詞拼寫(共10小題;81-90每小題1分,滿分10分)
根據(jù)下列句子所給漢語意思或單詞首字母,寫出空缺處各單詞或詞組的正確形式。(將單詞寫在答案頁本題的橫線上)
1. It’s quite o________ that he isn’t telling the truth because his face becomes red.
2. An old lady was killed in the hotel ,so nobody there was allowed to leave without p_________.
3. Zhao Benshan’s h__________ words made every audience present laugh.
4. We cannot e              without food as well as water.
5. Diets are most effective when they are _______(結(jié)合) with exercise.
6.Whether there is life in outer-space remains a mystery,          (使困惑) many scientists.
7. __________(恐懼) of the terrible scene, the girl ran away in terror.
8. I will never forget the __________(給人深刻印象的) speech he made. 
9. She seems g____________ (真誠的) ,but I still don’t know whether I should trust her.
10. Smoking  m___________(增加) the risk of heart attacks and other health problems.

查看答案和解析>>

科目:高中英語 來源:江蘇省2009-2010學年高一下學期期中考試英語試題 題型:單詞拼寫

 

第二卷 ( 共三部分,滿分35 )

第四部分  單詞拼寫 (共10小題;每小題1分,滿分10分)

 71. The scientist o__________ the mice carefully after they were given the drug.

72. Many volcanoes have been dead for not having e__________during the past several hundred years.

73. The medical team c_________ of twenty doctors and nurses received a warm welcome in that country.

74. A red sky at night i_________ fine weather the following day.

75. Prices are different d_________ on the area you choose.

76. Unemployment is one of the major problems of __________(現(xiàn)代的) times.

77. Walking in the open air, I felt the wind __________(輕拂著) against my face.

78. We should develop our students’ ability of __________(結(jié)合) theory with practice.

79. Parents’ words and deeds have a great impact on the _______(形成) of children’s character.

80. The area is being _________(推廣) as a tourist destination.

 

查看答案和解析>>

科目:高中英語 來源:20102011學年廣東省高一下學期期中考試英語試題 題型:單詞拼寫

單詞拼寫(共10小題;81-90每小題1分,滿分10分)

根據(jù)下列句子所給漢語意思或單詞首字母,寫出空缺處各單詞或詞組的正確形式。(將單詞寫在答案頁本題的橫線上)

1. It’s quite o________ that he isn’t telling the truth because his face becomes red.

2. An old lady was killed in the hotel ,so nobody there was allowed to leave without p_________.

3. Zhao Benshan’s h__________ words made every audience present laugh.

4. We cannot e               without food as well as water.

5. Diets are most effective when they are _______(結(jié)合) with exercise.

6.Whether there is life in outer-space remains a mystery,          (使困惑) many scientists.

7. __________(恐懼) of the terrible scene, the girl ran away in terror.

8. I will never forget the __________(給人深刻印象的) speech he made. 

9. She seems g____________ (真誠的) ,but I still don’t know whether I should trust her.

10. Smoking  m___________(增加) the risk of heart attacks and other health problems.

 

 

查看答案和解析>>

科目:高中英語 來源: 題型:

第二卷 ( 共三部分,滿分35 )

第四部分  單詞拼寫 (共10小題;每小題1分,滿分10分)

 71. The scientist o__________ the mice carefully after they were given the drug.

72. Many volcanoes have been dead for not having e__________during the past several hundred years.

73. The medical team c_________ of twenty doctors and nurses received a warm welcome in that country.

74. A red sky at night i_________ fine weather the following day.

75. Prices are different d_________ on the area you choose.

76. Unemployment is one of the major problems of __________(現(xiàn)代的) times.

77. Walking in the open air, I felt the wind __________(輕拂著) against my face.

78. We should develop our students’ ability of __________(結(jié)合) theory with practice.

79. Parents’ words and deeds have a great impact on the _______(形成) of children’s character.

80. The area is being _________(推廣) as a tourist destination.

查看答案和解析>>

科目:高中英語 來源: 題型:

根據(jù)英語提示結(jié)合首字母提示寫單詞。

1.I don’t think there is a c__________________ (never changing) view on beauty.

2.She’s been in the hospital for a week because she has a s____________ (serious) case of the flu.

3.With these r______________ (limits) on her power she had to leave the political field.

4.His explanation was simple and s_________________ (easy to understand).

5.I need a pair of w ____________ (made of wool) gloves.

6.He had speaking problems in his childhood.That is why he talks very d__________ (carefully and slowly).

7.I could tell p___________(only) by the look on his face that he was disappointed.

8.The rain was pouring down so we s_____________ (quickly) ran inside.

9.Being o__________(fat) is considered to be attractive in some cultural groups.

10.All this singer’s songs are d________________(sung) with energy.

查看答案和解析>>

同步練習冊答案