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【單選題】
氯氣是一種化學(xué)性質(zhì)很活潑的非金屬單質(zhì),它具有較強(qiáng)的氧化性,下列敘述中不正確的是
A.
灼熱的銅絲在
中劇烈地燃燒,產(chǎn)生棕黃色的煙
B.
氯氣能與水反應(yīng)生成HClO和HCl,久置氯水最終變?yōu)橄←}酸
C.
漂白粉是混合物,其有效成分是次氯酸鈣
D.
漂白粉放入稀酸中可以提高漂白速度
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參考答案:
舉一反三
【單選題】From the last paragraph we learn that_________.
A.
Seth had never seen his new classroom
B.
the ice cream social party was to be held soon
C.
Seth got along well with his classmates
D.
Seth to ok some photos using a real camera
查看完整題目與答案
【單選題】Young people cannot spell even words probably because _____.
A.
they often write formal documents.
B.
they often use a shorter form of the words to send messages.
C.
They don't work hard at their lessons
D.
they only remember how to spell difficult words
查看完整題目與答案
【單選題】It can be inferred that in the end Seth felt_________.
A.
relaxed
B.
frightened
C.
serious
D.
worried
查看完整題目與答案
【單選題】How many disadvantages does the text messaging have according to this passage?
A.
Five
B.
Four
C.
Three
D.
Two
查看完整題目與答案
【單選題】What did the writer mean by saying “My heart melted” in Paragraph 4?
A.
She was very angry with her son
B.
She felt sad because of her son`s words.
C.
She was too weak in the mind to face it.
D.
She became more understanding of her son.
查看完整題目與答案
相關(guān)題目:
【單選題】From the last paragraph we learn that_________.
A.
Seth had never seen his new classroom
B.
the ice cream social party was to be held soon
C.
Seth got along well with his classmates
D.
Seth to ok some photos using a real camera
查看完整題目與答案
【單選題】Young people cannot spell even words probably because _____.
A.
they often write formal documents.
B.
they often use a shorter form of the words to send messages.
C.
They don't work hard at their lessons
D.
they only remember how to spell difficult words
查看完整題目與答案
【單選題】It can be inferred that in the end Seth felt_________.
A.
relaxed
B.
frightened
C.
serious
D.
worried
查看完整題目與答案
【單選題】How many disadvantages does the text messaging have according to this passage?
A.
Five
B.
Four
C.
Three
D.
Two
查看完整題目與答案
【單選題】What did the writer mean by saying “My heart melted” in Paragraph 4?
A.
She was very angry with her son
B.
She felt sad because of her son`s words.
C.
She was too weak in the mind to face it.
D.
She became more understanding of her son.
查看完整題目與答案
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