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【单选题】
___ old bike Li Lei is riding!A.
What a
B.
What an
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【单选题】In Britain people ______ four million tons of potatoes every year.
A.
swallow
B.
dispose
C.
consume
D.
exhaust
【简答题】In Britain people drive ________ the left. A) at B) on C) to D) in
【简答题】（本小题满分16分） 已知 f ( x )、 g ( x )都是定义在R上的函数，如果存在实数 m 、 n 使得 h ( x ) = m f ( x )+ ng ( x )，那么称 h ( x )为 f ( x )、 g ( x )在R上生成的一个函数. 设 f ( x )= x 2 + ax ， g ( x )= x + b ( R)， = 2 x 2 +3 x -1， h ( x )为 f (...
【单选题】设f(x)、g(x)是[-l,l]上的偶函数，h(x)是[-l,l]上的奇函数，则( )所给的函数必为奇函数.
A.
f(x)+g(x);
B.
f(x)+h(x);
C.
f(x)[h(x)+g(x)];
D.
f(x)g(x)h(x).
【单选题】In Britain people use up four million tons of potatoes every year.
A.
swallow
B.
dispose
C.
consume
D.
exhaust
【简答题】2016二建模拟题
【单选题】People in both Britain and the United States speak English. However, some words have different meanings. In the U.S. a holiday is a special day of celebration. A holiday is a vacation in Britain. An e...
A.
Both countries use the word holiday.
B.
Holiday means "vacation" in Britain.
C.
Braces is a word in both countries.
D.
Both countries have lifts.
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