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【简答题】
无差异曲线的斜率的绝对值是递减的，即凸向，这是由（ ）决定的。
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举一反三
【单选题】选择对象: 找到 1 个 选择对象:空格 指定基点:鼠标单击确定点 指定比例因子或 [复制(C)/参照(R)] : 2 回车 以上提示是在执行哪个命令?
A.
平移
B.
缩放
C.
拉伸
D.
矩形
【单选题】—Would you like some______? —Thank you, but l don’t like it.
A.
cakes
B.
milk
C.
bananas
D.
sweets
【简答题】Would you like SGS to take the responsibility for the final inspection?
【单选题】You would like the window open，__________?
A.
will you
B.
would you
C.
Won’t you
D.
wouldn’t you
【简答题】选择合适的词语填空: 印象 熟悉 性格 最好 适合 感动 1.他不仅足球踢得好,( )也不错,大家都很喜欢他。 2.要找到一个( )自己的人结婚才会幸福。 3. 你来中国两年来,你对周围的环境一定很( )了吧? 4.你对北京的( )怎么样?你觉得北京是一个什么样的城市? 5.两...
【单选题】Books _____ out in this shop. We can _____ now. [ ]
A.
have been sold, get nothing
B.
has been sold, get nothing
C.
has been sold, get some
D.
have been sold, get some
【单选题】Because the shop _______, the T-shirts are sold at half price. [ ]
A.
has closed down
B.
closed down
C.
is closing down
D.
had closed down
【单选题】You would like the window open，______?
A.
will you
B.
would you
C.
won't you
D.
wouldn't you
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