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【简答题】
已知实数x，y满足约束条件： 2x-y-1≥0 x-y+1≤0 x+y-7≤0 （Ⅰ）请画出可行域，并求z= y x-1 的最小值； （Ⅱ）若z=x+ay取最小值的最优无穷多个，求实数a的值．
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【单选题】According to the author, women who follow fashions vigorously______.
A.
are highly individualistic
B.
follow their own inclinations
C.
obey a primitive, tribal impulse
D.
are wealthy and beautiful
【单选题】______ his speech than the audience began to ask him some difficult questions.
A.
The speaker had finished no sooner
B.
No sooner have the speaker finished
C.
The speaker had no sooner finished
D.
No sooner the speaker finished
【简答题】根据下列题干，回答 148～149 题： 第 148 题 痛经出现腹胀者，宜加用（ ）
【单选题】在Word文档中,在 “页面布局”选项卡里,可对页面进行( )
A.
设置页边距、纸张的大小和方向、分栏
B.
设置纸张的大小和方向、段落对齐方式、字体的大小和颜色
C.
设置页边距、页码、分页方式
D.
设置分栏、页码、分页方式
【判断题】The reason why people don’t think the negatives are really negative is that individuals use different criteria to evaluate things or they view the world from their own angle.()
A.
正确
B.
错误
【简答题】根据下列选项，回答 105～106 题： 第 105 题 痛经出现腹胀者，宜加用（ ）
【单选题】In the first two lines of the poem “The Soul selects her own Society”(409), the speaker describes the Soul shutting a door. What does the image of the Soul suggest metaphorically?
A.
An image of the individual deliberately getting herself away from all her social promises.
B.
An image of the individual deliberately closing herself away to pursue some greater purpose.
C.
An image of the individual deliberately plunging herself into poetry writing.
D.
An image of the individual deliberately closing hereself off from society and doing nothing at all.
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