填空题：与探测面垂直的内部平滑缺陷，最有效的探伤方法是（）探伤。

题型：解答题

一种商品进货单价为50元，如果按60元的定价售出，卖出400个后本地市场就将饱和，同时市场调查表明，此种商品单价每涨2元，其销售量就将减少20个．为了能赚取最多的利润，售价应定为多少元？

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题型：完形填空

About 1,000 students were having a final exam in a huge lecture hall. Obviously the teacher wasn’t very well liked, who kept shouting out how much time was left. During the exam he was so 36 going around the room making sure that nobody 37 . He asked the students to pile the 38 tests on the huge desk. This made for quite a mess(混乱).

Anyway, everyone needed a fairly good 39 . Many students did poorly when rushed. 40of the students thought that he must get a good grade, so he went on when the professor said “ 41 down and check up your exam sheets”.

Five 42 turned into ten, ten into twenty, twenty into forty … almost an hour 43 the test was over, our friend finally put down his pencil, 44 up his work, and headed to the front to present his final. The whole time, the professor sat there, 45 waiting for the student to complete.

“What do you think you are doing?” It was clear that the professor had 46 only to give the student a 47 time.

“Turning in my exam,” replied the student confidently.

“I’m afraid I have some bad 48 for you,” the professor gloated(幸灾乐祸), “Your 49 is an hour late. You’re FAILED it. And I’ll see you next term when you 50 my course.”

The student smiled slyly(狡诈地) 51 asked the professor, “Do you know who I am?” “No,” cried out the professor 52 .

The student 53 the professor right in the eyes and said slowly, “I didn’t think so,” so he lifted up one of the 54 half way, put his test neatly into the center of the pile, let the pile fall 55 his test in the middle, turned around, and walked out of the huge lecture hall.

36．A．kind B．busy C．strict D．serious

37．A．cheated B．failed C．slept D．passed

38．A．written B．succeeded C．unfinished D．completed

39．A．teacher B．friend C．grade D．paper

40．A．All B．One C．None D．Each

41．A．pencils B．papers C．hands D．books

42．A．students B．minutes C．sheets D．piles

43．A．if B．though C．before D．after

44．A．gathered B．brought C．sent D．made

45．A．strangely B．excitedly C．anxiously D．curiously

46．A．promised B．managed C．waited D．worked

47．A．easy B．hard C．long D．good

48．A．information B．result C．advice D．news

49．A．exam B．time C．arrival D．turn

50．A．accept B．repeat C．learn D．begin

51．A．and B．but C．so D．however

52．A．cruelly B．calmly C．angrily D．firmly

53．A．searched B．hit C．blamed D．looked

54．A．hands B．eyes C．desks D．piles

55．A．changing B．burying C．improving D．sticking

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题型：推断题

烯烃通过臭氧化并经锌和水处理得到醛或酮。例如：

I. 已知丙醛的燃烧热为1815，丙酮的燃烧热为1789，试写出丙醛燃烧的热化学方程式_____________ 。

II. 上述反应可用来推断烯烃的结构。一种链状单烯烃A通过臭氧化并经锌和水处理得到B和C。化合物B含碳69.8%，含氢11.6%，B无银镜反应，催化加氢生成D。D在浓硫酸存在下加热，可得到能使溴水褪色且只有一种结构的物质E。反应图示如下：

回答下列问题：

（1）B的相对分子质量是________；CF的反应类型为________；D中含有官能团的名称 __________。

（2）的化学方程式是：_______________ 。

（3）A的结构简式为 _______________。

（4）化合物A的某种同分异构体通过臭氧化并经锌和水处理只得到一种产物，符合该条件的异构体的结构简式有___________ 种。

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题型：单项选择题

男，36岁，因服吲哚美辛数片后觉上腹痛，今晨呕咖啡样胃内容物400ml来诊。既往无胃病史。首选的检查是（）。

A.血清胃泌素测定

B.B型超声检查

C.X线胃肠钡餐检查

D.急诊胃镜检查

E.胃液分析

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题型：单项选择题 A1/A2型题

以下哪项不是《内经》对痹证的叫法（）

A.皮痹

B.肉痹

C.筋痹

D.肌痹

E.脉痹

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与探测面垂直的内部平滑缺陷，最有效的探伤方法是（）探伤。

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