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【单选题】
青岛啤酒价格下降一般会导致:( )
A.
替代青岛啤酒的其他啤酒需求曲线左移
B.
青岛啤酒需求曲线右移
C.
互补品需求曲线左移
D.
青岛啤酒需求曲线左移
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【单选题】About one million tourists go to Barcelona every year, just to visit the Gaudi's Church. This unusual church has a strange history. Gandi was born in Spain in 1852. He had to work and study at the sam...
A.
Bareelona--A Famous City
B.
Strange History of Unusual Church
C.
A Poor Architect's Study
D.
Gaudi's Life in His Childhood
【单选题】Most American tourists visit China just for ______.
A.
evidence
B.
sightseeing
C.
communication
D.
assigning
【简答题】完形填空。 Bill is thirty years old. He works in a 1 . He is a teacher. He goes to work 2 Monday to Friday every week. Usually he 3 at six in the morning. After breakfast, he 4 a bus to work. He is a(n) 5 ...
【单选题】About one million tourists go to Barcelona every year, just to visit the Gaudi's Church. This unusual church has a strange history. Gaudi was born in Spain in 1852. He had to work and study at the sam...
A.
Barcelona—A Famous City
B.
Strange History of Unusual Church
C.
A Poor Architect's Study
D.
Gaudi's Life in His Childhood
【单选题】设f(x)在[a,b]上连续,则下列各式中(    )不成立。
A.
B.
C.
D.
若 ,则f(x)=0。
【判断题】引流款,即为店铺提供流量的产品,其曝光度高,点击率高,一般利润比较低。
A.
正确
B.
错误
【单选题】若运行时为变量 x 输入 12 ,则以下程序的运行结果是 ____ # inc1ude . h> int main( ) { int x , y ; scanf("%d" , &x) ; y=x>12 ? x+10 : x–12 ; printf("%d\n" , y) ; return 0 ; }
A.
0
B.
22
C.
12
D.
10
【简答题】The Blacks are American tourists. They visit in Beijing now. This is their first visit to China. They are going to stay in China for three months. They want to visit some big cities and villages. They...
【判断题】热固性塑料的特点是加热时软化,可塑成型但固化后再加热,将不再软化。
A.
正确
B.
错误
【单选题】热固性塑料的特点是固化( )。--[1分]
A.
一次
B.
二次
C.
多次
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