掘进机开机前，应检查什么？

水被称为“生命之源”，双氧水被称为“绿色氧化剂”．下列关于它们的说法中正确的是（　　）

A．都含有氢气

B．都含有氢元素

C．都含有氢分子

D．都含有2个氢原子

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，从每题所给的A、B、C、D四个选项中，选出最佳选项。

Only one woman is responsible for my success：my mom. Don' t  36 me—I'm like anyone else，and have issues with my mother. However，I'm  37  enough to realize that what she taught me when I was young positioned me for my later  38   .

My mom taught me that life，like dinner，doesn't require a recipe.  39 she cooked the most complicated meals，she  40 cooked from a recipe. It was like a kind of free-form jazz， and she taught me to improvise (即兴发挥)， and to add ingredients according to  41 .It's no wonder that my media business has grown so amazingly; I'm not  42 anyone else's recipe.

When I was in the ninth grade，my mom decided she wanted something  43 being a mother and a wife. She wanted to start her own  44  .But in order to accomplish this，she had no  45  but to get a loan. It all happened in  46 motion. The bank manager   47 my father call him，but my mom said stubbornly，"Why? It's my loan." "Well，I can't give you a loan unless he co-signs，" replied the manager. But my mom didn't  48 hope，and responded sincerely，"I see. Then can you do me a favor，if he does? I' d   49 it if you'd put together the paperwork quickly. I need a shop in order to support my family."

Moved by her  50 ，the manager agreed to do as she asked. So  51 was I that I included that day into my DNA.

Through her influence，I've become someone who   52  what she wants until she gets it. If something or someone is in my way，I   53  how to overcome the difficulties. It's really that  54 . It's not about getting angry. It's about getting what you want，being very， competitive，but also extremely  55 . I learned this in the ninth grade from my mom， and it burned itself into my brain.

36. A. suspect                B. misunderstand        C. scold          D. interrupt

37. A. curious                B. innocent         C. intelligent               D. straight forward

38. A. circumstances                        B. dilemmas（窘境） C. achievements    D. difficulties

39. A. Unless          B. If                          C. Since                 D. While

40. A. rarely                  B. increasingly       C. cautiously       D. flexibly

41. A. feature                 B. process           C. motivation       D. taste

42. A. undertaking          B. reflecting         C. recommending    D. following

43. A. instead of             B. rather than        C. more than                D. regardless of

44.A. business         B. marriage         C. research         D. interview

45.A. substitute        B. alternative         C. procedure       D. possibility

46.A. brief                    B. slow                   C. admirable        D. urgent

47.A. ordered          B. indicated         C. insisted           D. stressed

48.A. switch           B. abandon          C. adjust            D. escape

49.A. reward          B. relieve            C. celebrate        D. appreciate

50.A. determination      B. requirement        C. significance       D. encouragement

51.A. patient                B. sensitive           C. trustworthy       D. impressed

52.A. benefits         B. explores           C. compromises    D. pursues

53.A. turn out         B. stick out           C. figure out       D. watch out

54.A. simple                 B. upset             C. unconscious       D. uncertain

55.A. embarrassing       B. likeable           C. casual             D. confusing

关汉卿的杂剧创作具有鲜明的（），是名副其实的（）。

直放站开通后，要求分别对其无线覆盖边缘场强进行测试：分别要求室外、室内的场强大于（）、（）.

承包人收到竣工结算价款后( )内将竣工工程交付发包人。

A．14天

B．18天

C．24天

D．28天