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【简答题】
Jack was a heavy smoker. His mother didn't like him smoking,and 1. he couldn't give it up. At about 9 o'clock in one evening, Jack was seen  2. smoking in the living-room again. “Don't smoke in the living-room,  3. Jack!”said his mother in an unhappy voice. Heared this,Jack went  4. back his own room and shut the door. While he was sitting in bed,  5. he couldn't help smoke again. About an hour later,Jack's mother   6. smell heavy smoke. She got up and opened Jack's bedroom. Good heavens! 7. Jack's quilt was burning while he was sleep! She quickly got some   8. water and put up the fire. Jack was given a good lesson. “I'll give up  9. smoking from now on, Mum.”Jack said in low but determined voice.  10.
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【单选题】下列说法正确的是(  )
A.
t℃时,某溶液的pH=6,则该溶液一定为酸性
B.
常温下,将pH=11的氨水稀释后,溶液中所有离子的浓度均降低
C.
常温下,将pH=11的NaOH溶液和pH=3的CH 3 COOH溶液等体积混合后,溶液pH<7< /div>
D.
常温下,物质的量浓度和体积相同的K 2 CO 3 、K 2 SO 4 、HC1溶液混合后,溶液的pH<7< /div>
【判断题】冼星海的小提琴组曲《西藏音诗》是中国第一部以西藏为题材的器乐作品。
A.
正确
B.
错误
【单选题】The first subject in this sentence is "therapist." What is the second subject in this sentence? 5. The therapist told him that carefully following the therapy plan is the key to recovery.
A.
him
B.
carefully
C.
following
D.
key
【判断题】在国债的估值中,可以选择若干相同到期期限国债的到期收益率的均值作为折现率。
A.
正确
B.
错误
【单选题】黄芩、黄连、黄柏三药功效共同点是:( )
A.
泻火解毒
B.
凉血止血
C.
清热安胎
D.
清热利湿
【判断题】"Winter is a great season". This sentence is a fact.
A.
正确
B.
错误
【单选题】'Each student should keep the classroom clean and tidy.' The structure (结构) of this sentence is _____. [     ]
A.
S+V+DO+OC
B.
S+V+IO+DC
C.
S+V+OC+DO
D.
S+V+P+OC
【单选题】This sentence is difficult to understand.Can you make         of it?
A.
sense
B.
knowledge
C.
idea
D.
understanding
【单选题】下列说法正确的是 [     ]
A.
t ℃ 时,某溶液pH=6,则该溶液一定为酸性
B.
常温下,将pH=11的氨水稀释后,溶液中所有离子的浓度均降低
C.
常温下,将pH=11的NaOH溶液和pH=3的HCl溶液等体积混合后,溶液pH=7
D.
常温下,物质的量浓度和体积相同的Na 2 CO 3 、Na 2 SO 4 、HCl 溶液混合后,pH<7< /div>
【单选题】下列说法正确的是 [     ]
A.
t ℃ 时,某溶液pH=6,则该溶液一定为酸性
B.
常温下,将pH=11的氨水稀释后,溶液中所有离子的浓度均降低
C.
常温下,将pH=11的NaOH溶液和pH=3的CH 3 COOH溶 液等体积混合后,溶液的pH <7< /div>
D.
常温下,物质的量浓度和体积相同的Na 2 CO 3 、Na 2 SO 4 、HCl 溶液混合后,pH<7< /div>
相关题目:
【单选题】下列说法正确的是(  )
A.
t℃时,某溶液的pH=6,则该溶液一定为酸性
B.
常温下,将pH=11的氨水稀释后,溶液中所有离子的浓度均降低
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