问题 问答题

运用你所学的知识阐述粮豆类食物主要卫生问题及卫生要求。

答案

参考答案:①主要卫生问题。a.真菌和真菌毒素污染,常见污染粮豆的真菌有曲霉、青霉、毛霉、根霉和镰刀菌等。b.农药残留,如有机磷农药、敌敌畏等。c.有毒有害物质的污染,主要是汞、镉、砷、铅、铬、酚和氰化物等。d.仓储害虫有甲虫、螨虫及蛾类等50余种。e.其他污染包括无机夹杂物和有毒种子的污染。f.掺伪。为了掩盖霉变,为了增白,以次充好。②卫生要求。a.粮豆都具有固有的色泽及气味,有异味时应慎食,霉变的不能食用,尤其是成品粮。b.为了保证食用安全,中国对粮豆食品已制定了许多卫生标准。c.豆制品含水量高,营养成分丰富,若有微生物污染,极易繁殖引起腐败变质。d.产品的保存方式也很重要,要注意搞好豆腐、豆浆等豆制品的卫生管理。e.豆制品应及时冷藏、小包装,可按标准加入防腐剂,防止变质。

单项选择题
完形填空

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, 从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。

A kindergarten teacher was helping one of her students put his snow boots on. He had asked for  36  and she could see why. With her pulling and him pushing ,they finally  37  .She had by now worked up a sweat,  38  the little boy said," They 're on the wrong feet." She almost  39  when hearing this.

She looked and,  40  enough, they were .It wasn't any easier pulling the boots  41  ,and then she had to  42  the difficult boots on again.

Just as she   43  lacing(系鞋带)them, he said," These aren't my boots." She

44  her tongue to keep from screaming(尖叫),"Why didn't you say so early?"

Once again she  45  to pull off the ill-fitting boots. He then  46  added.," They 're my brother's boots. My mom made me  47  them."

When they were finally  48  she said ,"Now ,where are your gloves?"

"I  49  them in the toes of my boots," he said .The teacher could say no words at hearing this, but had to  50  the course once again.

We often hear some teachers make comments about a particularly  51  child in their class," He is my worst-behaved child this year, and I almost can't  52  him any more."

Patience is a kind of ability. A Dutch proverb observes ,"A handful of  53  is worth more than a lot of brains." We may never have to worry about having a lot of  54  ,but sometimes what we  55  is a handful of patience. Hold back your scream, try to be patient, and that should be enough.

36. A. help                                   B. advice                       C. trouble                      D. leave

37. A .ended                                 B. won                          C. succeeded                  D. failed

38. A. so                                      B. since                         C. because                     D. but

39. A. laughed                              B. screamed                   C. cried                         D. jumped

40. A. strange                               B. sure                          C. lucky                        D. proper

41. A. up                                      B. on                             C. off                            D. away

42. A. carry                                  B. force                         C. keep                         D. struggle

43. A. tried                                   B. practiced                   C. meant                       D. finished

44. A. bit                                      B. moved                      C. showed                     D. rolled

45. A. decided                               B. fought                       C. wanted                      D. intended

46. A. angrily                               B. coldly                       C. calmly                      D. nervously

47. A. wear                                   B. clean                         C. mend                        D. drop

48. A. washed                               B. tied                           C. removed                    D. kicked

49. A. left                                     B. covered                     C. buried                       D. hid

50. A. discover                              B. guide                        C. repeat                       D. consider

51. A. difficult                              B. stupid                       C. clever                       D. perfect

52. A. worry                                 B. stand                         C. serve                         D. ignore

53. A .interest                               B. attention                    C. courage                     D. patience

54. A. chances                               B. desires                       C. brains                       D. gifts

55. A. need                                   B. value                         C. gain                          D. share