写出下列反应的文字表示式. (1)氢气在空气中燃烧______; (2)铁丝在氧

题型:填空题

问题:

写出下列反应的文字表示式.

(1)氢气在空气中燃烧______;

(2)铁丝在氧气中燃烧______;

(3)过氧化氢与二氧化锰混合______.

考点:化学反应方程式的书写文字表达式
题型:填空题

对于Ⅰ类供应商,其业绩至少应达到______。

A.A级

B.B级

C.C级

D.D级

题型:填空题

制取零级热膨胀系数的陶瓷材料的途径。

题型:填空题

第二节 完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,掌握其大意,然后从36~55各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

Olive, from County Westmeath, Ireland, arrived in England to live with her daughter and son-in-law Thomas. She was   36   because of her poor health and   37   with her most of her treasured   38   . These included a small piece of tissue paper in which she had   39   what appeared to be five teeth which had   40   her dentures (假牙).

Having   41   in, she asked Thomas, "Do you know where I can get my dentures   42   ?" "Of course," replied Thomas.   43   you give them to me, I'll take them to a dental   44   . "

Olive handed over the rather tired piece of paper which   45   some rather dirty-looking   46   . Thomas drove to the dental laboratory.

"   47   will it take?" Thomas asked the technician.

"Oh, about an hour," smiled the dental expert.

"Then I'll wait in the   48   ," said Thomas, "and read my newspaper. "'

An hour passed and the technician   49   at the car window   50  a plastic bag and the piece of paper. "That'll be £80," requested the specialist, "   51   I could only fit four of the teeth to the dentures. I'm sorry. "

"That's a   52   ," commented Thomas. "What happened to the__  53   one?"

"I have it here in the paper," answered the technician,   54   it to Thomas.

"The thing is," he said, "it's easy to fit the teeth but   55   to fit this peanut (花生米)."

36. A. moving       B. going           C. passing      D. returning

37. A. sold        B. provided       C. brought     D. dealt

38. A. clothes           B. possessions       C. furniture    D. materials

39. A. discovered   B. secreted        C. thrown      D. buried

40. A. broken out B. broken in      C. broken away     D. broken off

41. A. settled       B. filled         C. joined       D. fallen

42. A. cut         B. dropped        C. mended     D. placed

43. A. Because      B. If              C. Therefore D. However

44. A. speaker       B. customer      C. patient       D. technician

45. A. needed           B. found           C. touched     D. contained

46. A. teeth       B. jewels          C. peanuts      D. coins

47. A. How often   B. How soon     C. How long D. How much

48. A. building      B. office               C. house        D. car

49. A. appeared     B. broke               C. laughed     D. glared

50. A. putting        B. holding        C. keeping     D. hiding

51. A. and         B. but            C. also       D. nor

52. A. fact        B. pleasure        C. pity       D. thing

53. A. fifth        B. first           C. third     D. second

54. A. proving       B. advising       C. permitting        D. showing

55. A. necessary    B. unimportant      C. impossible D. possible

题型:填空题

某患者,32岁。已婚6年未孕。丈夫精液检查正常。

如子宫内膜病理检查结果为增生期子宫内膜则说明该女士()

A.患子宫内膜结核

B.患子宫内膜癌

C.有排卵

D.无排卵

E.患输卵管炎

题型:填空题

将笔双臀拧到()用皮带在其两臂上缠或“8”字形,拉紧扣牢即可。

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