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【简答题】
已知函数f（x）= 1 2 x 2 -2x，g(x)=lo g a x（a＞0，且a≠1），其中a为常数，如果h（x）=f（x）+g（x）在其定义域上是增函数，且h'（x）存在零点（h'（x）为h（x）的导函数）． （I）求a的值； （Ⅱ）设A（m，g（m）），B（n，g（n））（m＜n）是函数y=g（x）的图象上两点，g'（x 0 ）= g(n)-g(m) n-m （g'（x）为g（x）的导函数），证明：m＜x 0 ＜n．
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【单选题】Customer: ______. Waiter: I'm sorry. Didn't you order fried shrimp? Customer: I ordered fried chicken. Waiter: Oh, all I heard was fried shrimp. Let me have kitchen redo this for you.
A.
Sorry, this isn't my dish
B.
Excuse me, this isn't what I paid for
C.
Sorry, this isn't my order
D.
Excuse me, this isn't what I ordered
【单选题】When she found the steak was overcooked, she ( ) to the waiter.
A.
motioned
B.
mentioned
C.
moved
D.
memorized
【简答题】Los haitantes principales de Perú son los________ y los________.
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A.
extra
B.
free
C.
high
D.
spare
【单选题】听力原文：W: Sir, I waited ten minutes at the table before the waiter served me. M: Sorry, Ma'am. It has been very busy tonight. Q: Where does the conversation most probably take place? (14)
A.
In a bank.
B.
In an office.
C.
In the hospital.
D.
In the restaurant.
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