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【单选题】
煤干馏是充分利用煤资源的方法之一．将煤焦油分离后得到甲苯，通过如图所示多步反应得C． 下列说法正确的是（ ）A.
可以采用酸性高锰酸钾溶液区别甲苯和A
B.
甲苯与C发生还原反应
C.
甲苯在30℃时苯环上的H原子被硝基取代，只能得到间硝基甲苯
D.
有机物A既能发生酯化生反应，又能发生消去反应
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举一反三
【单选题】Don't _____ a dictionary every time you come across a new word while reading, otherwise you will soon get bored and stop reading. [ ]
A.
look up
B.
consult
C.
refer
D.
discuss
【简答题】Practice reading the new words with the tape, then make a record of your new-word-reading.
【简答题】Read the new word list and the passage of text 1.the new word list on page 194, and passage on page 194-195 upload your reading in this application.
【单选题】When you meet a new word in reading the English papers, you can guess its meaning but needn’t always ______ the dictionary.
A.
look up
B.
attach to
C.
pay attention to
D.
refer to
【单选题】When yo u meet a new word in reading the English papers, you can guess its meaning but needn't always ________ the dictionary. [ ]
A.
look at
B.
attach to
C.
pay attention to
D.
refer to
【简答题】When you are reading something in English, you may often meet with a new word. What’s the best way to know it? You may look it up in the English-Chinese dictionary. It will tell you a lot about the wo...
【多选题】When reading , which are helpful to understand the new word in the text ?
A.
example
B.
synonym
C.
antonym
D.
main idea of the sentence or the text
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