问题
多项选择题
刀具切削部分的材料必须满足的基本要求是（）。
A、足够的硬度
B、足够的强度和韧度
C、足够的耐磨性
D、良好的红硬性
E、良好的工艺性
答案
参考答案：A, B, C, D, E
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刀具切削部分的材料必须满足的基本要求是（）。
A、足够的硬度
B、足够的强度和韧度
C、足够的耐磨性
D、良好的红硬性
E、良好的工艺性
参考答案：A, B, C, D, E
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| It was Mother's Day. I was so busy with my work that I couldn't 1 back home. When I passed by a 2 shop, a(n) 3 came to my mind, "I'll send Mum some roses." While I was 4 my flowers, a young man went inside. "How many roses can I get 5 only five dollars, Madam?" he asked. The assistant was trying to tell him roses were as 6 as forty dollars a dozen - maybe he would be happy with carnations(康乃馨). "No, I 7 have red roses." he said, "my mum was 8 ill last year and I didn't spend much time with her. Now I want to get something special, roses, as rose is her ." After hearing it, I said I would pay 10 of the money for the young man. 11 by both of us, the assistant said, "Well, lovely young man, thirty dollars a dozen, only for you." Taking the roses, the young man almost jumped into the 12 and ran out of the shop. It was 13 worth twenty-five dollars I paid to see the exciting 15 . Then I paid for my dozen of roses and told the assistant to 14 them to my mother. As I walked out, I felt 16 . Suddenly I saw the young man crossing the street and going into a park. But soon I 17 it was not a park 18 a cemetery(公墓). Crying, the young man carefully 19 the roses, "Mum, why didn't I tell you how much I loved you? God, please help me find my mum and tell her I love her." Seeing this, I turned and quickly walked to the 20 . I would take the flowers home myself. | |||
| ( )1.A. go ( )2.A. vegetable ( )3.A. fact ( )4.A. picking ( )5.A. with ( )6.A. much ( )7.A. might ( )8.A. a bit ( )9.A. flower ( )10.A. all ( )11.A. Surprised ( )12.A. roses ( )13.A. very ( )14.A. moment ( )15.A. give ( )16.A. relaxed ( )17.A. understood ( )18.A. and ( )19.A. laid ( )20.A. man | B. come B. clothing B. word B. watering B. for B. cheap B. have to B. hardly B. favorite B. some B. Pleased B. assistant B. well B. time B. offer B. amazed B. realized B. or B. lay B. street | C. return C. rose C. idea C. selling C. at C. expensive C. should C. badly C. dream C. the rest C. Excited C. air C. not C. scenery C. present C. shameful C. learned C. nor C. buried C. shop | D. turn D. flower D. picture D. showing D. on D. high D. can D. nearly D. gift D. much D. Moved D. street D. only D. incident D. send D. nice D. told D. but D. grew D. cemetery |
| 根据以下资料，回答95～109题： 1998年，北京海淀区28岁的个体工商户王建国经人介绍与北京公交集团客运二公司同岁的孙爱菊结婚。2008年，夫妻二人已有一个9岁的读小学二年级的女儿和一个6岁的读幼儿园的儿子。王建国自幼家境贫寒，只读过三年小学，现主要经营一家废品收购站。现在他每天主要依靠看电视获取信息，但由于其人比较老实，客户比较稳定，所以生意一直不错。但面临网络信息社会，他深觉手头信息闭塞，扩大经营力不从心。王建国的人生目标有两个：①希望儿女能接受良好的教育，别像自己一样没文化；②等60岁退休后生活无忧，能周游世界。目前王建国每年税后收入30万元，而孙爱菊在客运二公司售票，每月税后收入2500元，且单位为其缴纳五险一金。 全家资产主要有：①价值100万的按揭商品房一套，首付30%，20年期，利率6%，按月本利平均摊还，已还5年；②价值27万元的轿车一辆；③活期存款2万元，以备急用；④定期存款30万元，债券基金50万元，拟给子女留学使用。需要指出的是，目前夫妻二人均无商业保险。全家支出主要有：①家庭每年生活费支出4.8万元；②儿女学费支出1.6万元；③儿女均参加某书法班支出1万元；④旅游费用支出2万元；⑤交际费用支出3万元。 面对进入2008年以来的通货膨胀，王建国感到自己的钱缩水了，担心攒下的钱不够子女留学和自己以后防老。因此，王建国经人介绍找到某银行财富管理中心高级客户经理——国际金融理财师(CFP持有者)赵旭东。经过多次接触后，他将自己的家庭情况及所担心的问题告知了赵旭东，并将80万元资产交给赵旭东全权打理，请他给自己的家庭做财务规划。经过半年多的理财经历后，王建国尝到了专业理财的甜头。 |
根据家庭生命周期理论，关于王建国家庭所处的生命周期，下列表述正确的是( )。
A．这个周期从女儿出生开始，儿子完成学业结束
B．这个周期从结婚开始，儿子完成学业结束
C．这个周期从女儿出生开始，王建国夫妻退休结束
D．这个周期从儿子完成学业，王建国夫妻退休结束