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【多选题】
Which sentences are irrelevant to the topic sentence? Another problem facing a number of elderly people is living on a reduced income.A.
The amount of their monthly checks is often half the amount the checks they received when they were employed.
B.
Many find, after paying their monthly bills, that there is no money left for a movie or a dinner out.
C.
Of course, sometimes they can’t go out because of their health.
D.
Maybe they have arthritis or rheumatism, and it is painful for them to move around.
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反馈参考答案：
举一反三
【简答题】A．joy B．enjoyment C．amusement D．delight
【单选题】以下关于DDN网络的描述中，错误的是（）。
A.
DDN采用同步时分复用技术
B.
DDN采用分组交换技术
C.
DDN是可支持任何规程、不受约束的全透明传输网
D.
DDN将检错、纠错等功能放到智能化程度较高的终端来完成
【单选题】We were all to receive your letter and had read it delight.
A.
delight, in
B.
delighting, in
C.
delighting, with
D.
delighted, with
【简答题】数据结构包括数据的逻辑结构、数据的 ( )和数据的( ) 这三个方面的内容。
【简答题】［A］ joy ［B］ enjoyment ［C］ amusement ［D］ delight
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