| 根据下面材料，回答51～54题： 某公司老总王某现年30岁，年收入为10万元，个人年支出为3万元，打算60岁退休。 |
| Sixteen years ago, Eileen Doyle’s
husband, an engineer, took his four children up for an early morning cup of tea,
packed a small case and was never seen or heard of again. Eileen was astonished
and in a state of despair. They had been a happy family and, as far as she knew,
there had been nothing wrong with their marriage. Every day of the year, a small group of men and women quietly pack a few belongings and without so much as a note or a good-bye close the front door for the last time, leaving their debts, their worries and their confused families behind them. Last year, more than 1,200 men and nearly as many women were reported missing from home---the highest in 15 years. Many did return home within a year, but others rejected the past completely and are now living a new life somewhere under a different ide A. could not forgive him for taking the children B. could not understand why C. had been expecting it to happen for some time D. blamed herself for what had happened [填空题]教育目的的实现途径是教育与生产劳动和 相结合。
[单项选择]2000A轨道电路分路状态在最不利条件下，主轨道任意一点用（）标准分路电阻线分路时，“轨出1”分路电压应不大于140mV。
A. 0.1 B. 0.06 C. 0.25 D. 0.15 [单项选择]物业管理企业在项目投标时，编写物业管理方案工作小组也可聘请企业外部的高水平物业管理( )，指导物业管理方案的制订。
A. 顾问 B. 专家 C. 博士 D. 专家担任顾问 [单选题]三相交流发电机的三个始端在空间分布上必须相差( )。
A.60° B.90° C.120° D.150° [名词解释]过渡品种
[单选题]对难以做到与电源完全断开的检修线路、设备，可（）其与电源之间的电气连接。
A.断开 B.拆除 C.隔离 D.拉开 [单项选择]
Food
The U. S. food supply is the most varied and abundant in the world. Americans spend a smaller share of their disposable income on food than citizens of any other country and choose from an average of 50,000 different food products on a typical outing to the supermarket. In 1994, the fowl supply provided an estimated 3,800 calories per person per day, enough to supply every American with more than one and a half times their average daily energy needs. Given this abundance, few of the Nations resources have traditionally been devoted to measuring or reducing food waste. [多项选择]正常的脑脊液是（ ）
A. 糖2.5～4.4mmol/L B. 氯化物120～130mmol/L C. 白细胞数(O～5)×106/L D. 蛋白质0.15～O.45g/L E. 无色透明液体 我来回答: 提交
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