第二节 完形填空（共20小题；每小题1.5分，共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，并在答题卡上将该项涂黑。
For almost 18 years, my mom has given time from her life to devote her care to my growth. She has ashed 36 clothes. She’s planned doctors’ appointments 37 all parts of the body, cut hair, taken icures, bought presents, 38 vacations and basically kept a small boy’s life 39 smoothly.
When I was 12, I got into 40 arguments with my older and wiser parents. The 41 never led a any achievement for me, but I still took part. Many times strong feeling of anger caused tears 42 to in my eyes by the end of the quarrel with them. 43 , I’d return to my room and stay for as long as my parents allowed. Then I’d 44 a knock and hardly manage a weak, “Come in.” My mom, acting as a peacemaker, 45 slowly enter and sit next to me on the bed. I’d again try to 46 what I had said was true, 47 this time less angrily. T
hen mom calmly, strictly and lovingly showed to me her voice of 48 . After that she’d hug me and I’d stop crying; all would be 49 in my family again.
Hugs will 50 be her trademark（标志）: warm hugs for goodnights, good-byes and a thousand other such situations. “You’re never too old to 51 your mother.” I’ve heard those eight words since I came to the world. They ring true. For some reason, those words possess the unbelievable 52 to reduce anxiety, cool an angry head, 53 fears and put wrong things right.
Perhaps my mother, now worthy of the title “Mom” can be an example to mothers everywhere. Being a mother is not so 54 . Any female has the ability to become one. The challenge isn’t in becoming a “mother”, but instead , a “mom”. Mine does that quite 55 .
36．A．Dirty B．expensive C．warm D．old
37．A．on B．for C．in D．about
38．A．prepared B．taken C．spent D．enjoyed
39．A．advancing B．changing C．running D．developing
40．A．unfit B．casual C．unfair D．silly
41．A．quarrels B．doubts C．complaints D．puzzles
42．A．dry B．go C．well D．take
43．A．Crying B．Blaming C．Shaking D．Whispering
44．A．take B．make C．hear D．get
45．A．might B．could C．should D．would
46．A．admit B．prove C．conclude D．debate
47．A．so B．or C．but D．for
48．A．advice B．reason C．demand D．courage
49．A．active B．right C．comfortable D．friendly
50．A．forever B．finally C．even D．actually
51．A．touch B．love C．hug D．comfort
52．A．ability B．confidenceC．influence D．power
53．A．lose B．share C．overcome D．express
54．A．difficult B．sad C．boring D．disappointing
55．A．carefully B．perfectly C．formally D．Normally
是合成某些药物的中间体。试设计合理方案由化合物
合成
在400摄氏度金属氧化物条件下能发生脱羰基反应；③合成反应流程图表示方法示例如下：