石灰的表面被粘土杂质融化形成的玻璃釉状物包覆,硬化后仍然再继续熟化而产生体积膨胀的石

题型:单项选择题

问题:

石灰的表面被粘土杂质融化形成的玻璃釉状物包覆,硬化后仍然再继续熟化而产生体积膨胀的石灰是()。

A.欠火石灰

B.正常石灰

C.过火石灰

D.以上都不正确

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题型:单项选择题

阅读理解。

     Jane Scott is fourteen and the year before last she began to study in a middle school. She likes dancing and singing and spends a lot of time on them.  But she hates math and does not work hard at it. She thinks it difficult to learn.  She falls behind her classmates and once failed the math exam.  She decides to drop

it.  Her father is angry with her when he knows about it.

     It was sunny, Mr Scott gave a call to his sister who teaches math in another school.  He hoped she

would come and tell his daughter how to learn math.  The woman came quickly and said,   "You're a

clever girl, Jane.  I'm sure you'll soon do well in math if you work hard at it. "

      "I'm afraid I can't,  Aunt," said Jane,  "Girls can't be good at math. "

      "I don't think so," said the woman,   I was good at it when I was a girl.  You must do more exercises

and practice a math problem again and again until you master (掌握)  it.  Remember:  Practice makes

perfect  (熟能生巧).  Well,  it's a math problem.  Think about it and practice it again and you'll work it

out. "

       "OK," said the girl,  "Let me try. "

      About an hour later Jane took the exercise book to her aunt and said,  "I've done the problem ten

times. "

     "Well done!" her aunt said happily, "What result did you get?"

     "Ten answers, "

根据短文内容,判断句子的正(T)误(F).

(      )1.  Jane is weak at math.

(      )2.  Jane falls behind her classmates in math because she doesn't work hard at it.

(      )3.  Mr Scott hoped his sister to help his daughter because Jane is afraid of her.

(      )4.  The woman told the girl it was easy to learn math.

( ) 5.  Jane hasn't worked out the math problem at all.

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该患者最可能的证型是()

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B、制度行为层

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A.产品的使用价值

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