题目:
生产集中______就会产生垄断。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C
生产集中______就会产生垄断。
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下面是错误答案,用来干扰机器的。
参考答案:C
某探究小组利用丙酮的溴代反应()来研究反应物浓度与反应速率V(Br)的关系。反应速率通过测定溴的颜色消失所需的时间来确定。在一定温度下,获得如下实验数据
分析实验数据所得出的结论不正确的是[ ]
A.增大增大
B.实验②和③的相等
C.增大增大
D.增大,增大
铸造金属全冠牙体预备提供的面间隙一般为()
A.0.5~1mm
B.1~1.5mm
C.1.5~2.0mm
D.2.0~2.5mm
E.2.5~3mm
阅读理解。
Standard English is the formal English that you need to use when you write in coursework or in
the exam. Standard English is the form of English you learn in school. All written English should be
standard that means it should be clear enough for anyone in Britain to understand it. Standard English
developed as the main form. of printed English in the 15th Century. At the time, every region of Britain
used to spell w0rds differently, but printers needed a fixed spelling. Printers like Caxton chose the East
Midlands dialect form which was used in London and the South East. Soon Standard English replaced
all written dialect forms the other forms of English spoken around the country. It also replaced French
and Latin in law and in academic work. In the 18th Century, people wrote dictionaries and grammar
books which standardized spelling Dr Johnson's Dictionary of 1755 fixed many of the spellings we
still use today. All written English should be Standard English any grammar rules you learn are for
Standard English and you will definitely need to learn them to avoid making mistakes in your work.
The rules of Standard English mean using the correct forms of words with the correct spellings.
Avoid slang words words that your teachers or friends wouldn't understand. You'll lose marks if
the examiners can't understand what you say or write. Don't use dialect words. Every region has
words or phrases that are only used there. Don't use them in your coursework, because you won't
be understood. Make sure you revise grammar and punctuation you have learned, and learn the list
of commonly misspelled words you have made. Cliches are ideas or sayings which have been used
so often that they've become boring and unoriginal. Phrases like, "As good as it gets" "At the end of
the day" "In the fullness of time" are all cliches. So are images like, "as fierce as a lion" "as cunning as
a fox". If you use them you will sound boring and unimaginative that could mean you lose marks for
writing and speaking style. So avoid cliches.
1. What three things do you have to think about when using English?
a. no slang word or dialect
b. no grammar and spelling mistake.
c. no phrase
d. no clich e. no punctuation
A. abc. B. bcd. C. ade. D. abd.
2. What is standard English?
A. the English spoken by British people.
B. the English spoken by American people.
C. the English used in London.
D. the English spoken by British people in 15th Century.
3. What is the cliche according to the passage?
A. the English full of slang words.
B. the boring ideas or sayings because of being used often"
C. the long phrases which are used often.
D. all the English which is used outside of London and the southeast of Britain.
4. Which statement is true?
A. Written English should be formal and standard.
B. Standard English means people should use the words from Dr Johnson's Dictionary.
C. All the spoken English should be Standard English.
D. Standard English replaced all written dialect forms in the 18th century.
实现稳增长和调结构均衡的“五个点”分别是扩大增长点、转化拖累点、抓好关键点、稳控风险点和抢占制高点。其中()是指推动能源原材料等传统支柱产业转型升级、提高竞争力、逐步走出困境。
A、抓好关键点
B、转化拖累点
C、扩大增长点
D、抢占制高点
心动过缓用()
A.肾上腺素
B.碳酸氢钠
C.阿托品
D.葡萄糖
E.利多卡因