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【单选题】
如图，已知抛物线y 1 =-2x 2 ＋2，直线y 2 =2x+2，当x任取一值时，x对y 1 、y 2。 若y 1 ≠y 2 ，取y 1 、y 2 中的较小值记为M；若y 1 =y 2 ，记M= y 1 =y 2。 例如：当x=1时，y 1 =0，y 2 =4，y 1 ＜y 2 ，此时M=0。下列判断： ①当x＞0时，y 1 ＞y 2 ； ②当x＜0时，x值越大，M值越小； ③使得M大于2的x值不存在； ④使得M=1的x值是 或 。其中正确的是 [ ]A.
①②
B.
①④
C.
②③
D.
③④
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举一反三
【单选题】All of the following are possible effects living longer might have on working life EXCEPT
A.
Coumnmication between employers and employees would be more difficult．
B.
More money would be used by employees in payment of their employees．
C.
The job market would be more competitive．
D.
It would be more difficult for young people to be promoted to top positions．
【简答题】ZF 20 上述款 1600 元是错收罚款 退库 , 3000 元是公安局交来罚没 收入 (或规费收入,营业税收入 )
【单选题】He is _____ honest man and now he is living in Belgium, _____ European country.
A.
an; an
B.
a; an
C.
an; a
D.
an; the
【简答题】The money will be spent on training first-time ______ to earn an honest living. (law break)
【单选题】Tom is _____ honest man and now he is living in Belgium, _____ European country.
A.
an, an
B.
a, an
C.
an, a
D.
an, the
【单选题】With the development of agriculture, the people ________ village I taught are now living a happy life.
A.
in whose
B.
whose
C.
in which
D.
which
【单选题】Where did children in the earliest times learn how to survive?
A.
In schools.
B.
From the nature.
C.
From their experience.
D.
From their parents.
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