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【单选题】
父亲生前留下几本邮册。由于对邮票不感兴趣,一直想处理掉。一日,的朋友来吃饭,也是一集邮爱好者,他随即表示愿意全部购买,最后俩人以5000元成交。事过不久,从父亲生前一朋友处得知,他父亲所留的邮票中,有七张相当珍贵,可能每值10000。的行为违背了 。A.
自愿原则
B.
诚信原则
C.
公平原则
D.
等价有偿原则
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举一反三
【单选题】—What are you doing for your vacation? —________________________.
A.
I’m going hiking.
B.
I went to the beach.
C.
I often go to the mountain.
D.
I like going bike riding.
【简答题】主计算机的电源接口位于主计算机的____。
【单选题】— What are you doing _____vacation? — I' m going hiking. [ ]
A.
to
B.
for
C.
at
D.
about
【单选题】听力原文：W: What are you going to do over winter vocation? M: I had planned on going hiking in a National Park, but I'll just stay here and focus on my reading and write a research paper. Q: What will the...
A.
He will go hiking.
B.
He will plan his holiday.
C.
He won't go away.
D.
He will go to a National Park.
【简答题】在机房中，每台电梯应单独装设电源开关，并有易于识别的标志，该开关位置应能从机房入口处方便迅速地接近。如几台电梯共用一机房，各台电梯的主电源开关应有易于识别的标志。对此项规定你如何进行检验？
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