【题目】实验室制备氨气,检验是否收集满的正确方法是( )
A.用手扇动收集的气体,有气味则已收集满
B.将润湿的淀粉KI试纸接近瓶口,试纸变蓝则已收集满
C.将润湿的红色石蕊试纸伸入瓶内,试纸变蓝则已收集满
D.用玻璃棒一端蘸取浓盐酸,接近瓶口,产生大量白烟,证明已收集满
科目:高中地理 来源: 题型:
【题目】七选五
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Learning English is challenging because of the various rules and exceptions to the rules. The best way to learn English is to hear it spoken and repeat the words as you hear them. 【1】You will learn how to make English a daily part of your life in order to learn to speak it quickly.
【2】 Ask a friend to help you write letters of English alphabet on index cards. You should write a letter on each card. Practise the letters by mixing up the cards and saying the letters. You can ask your friend to help you pronounce the letters and quiz you on your knowledge.
Make your own videos in English. If you have a video camera, you can tape yourself speaking English and practice along with your own video. 【3】 Watch your videos daily, and repeat what is being said.
Get a private tutor. A professional English instructor can give you one-on-one instruction that will help you understand the rules of English. Your instructor can teach you how to write and speak English. 【4】You can also inquire at your local community college.
Watch movies with English subtitles. When watching a movie in your native language, use the English subtitles so you will understand the connection between your language and English.
【5】You will make mistakes, and that is OK. You need to practice English as much as possible in order to quickly learn to speak the language fluently.
A. Learn the English alphabet.
B. Use every opportunity to speak English.
C. You can subscribe some English magazines to learn English.
D. Constant repetition is the key to remembering words in English.
E. If you have any difficult points, you can consult your dictionary at any time..
F. You can find an English tutor by placing an advertisement in your local newspaper.
G. You can make a play in which you and a friend are having a simple conversation in English.
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科目:高中地理 来源: 题型:
【题目】(双选题)下列关于二氧化硅的叙述不正确的是( )
A.二氧化硅晶体是由SiO2分子构成的,它的熔点高、硬度大
B.不可用石英坩埚熔融烧碱
C.二氧化硅可用于制造石英钟表的压电材料和光导纤维
D.二氧化硅能溶于氢氟酸中,这是由它的晶体结构决定的
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科目:高中地理 来源: 题型:
【题目】阅读我国江苏、安徽等地区图文资料后,回答问题。
资料一 盐城拥有江苏省最长的海岸线、最大的沿海滩涂、最广的海域面积,同时也是丹顶鹤的家园、麋鹿的故乡,在沿海滩涂上建有麋鹿和丹顶鹤两个国家级自然保护区,被誉为“东方湿地之都,仙鹤神鹿世界”。
资料二 “皖电东送”工程每年可从安徽淮南(我国重要能源基地)向上海输电500亿度。
资料三 南通在经济发展过程中,承接了上海转移而来的部分纺织工业和钢铁工业。
(1)分析盐城湿地广布的原因。
(2)说明实施“皖电东送”工程对上海市地理环境的影响。
(3)概述南通承接上海产业转移的区位优势。
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科目:高中地理 来源: 题型:
【题目】阅读下列材料,回答问题。
材料一 我国南部沿海地区图。
材料二 上图中M地土地利用结构调整方案(表一)及经济、环境效益比较(表二)。
⑴简述我国南部沿海地区地理位置对该地区经济活动的有利影响。
⑵比较M、N两地冬季气温,哪地更高?并分析原因。
⑶从区域可持续发展的角度,在A、B两种方案中为M地选择更合理的一个,并说明理由。
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【题目】It is by no means clear ______ the president can do to end the strike.(2012.全国新课标Ⅱ)
A. how
B. which
C. that
D. what
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科目:高中地理 来源: 题型:
【题目】Your basketball team___our team yesterday,but we___the game this afternoon
A.beat;beat
B.beat;won
C.won;won
D.won;beat
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科目:高中地理 来源: 题型:
【题目】The fellow felt rather ________ as he was the only person that wore sportswear at the party.
A.in place B.out of place
C.by the way D.in the way
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