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【单选题】
Between 1993 and 2013, the Mexican peso fell against the U.S. dollar by almost three-fourths of its original value. However, economists have concluded that this did not result in a corresponding fall in the price of Mexican products expressed in dollars. What explains this apparent paradox?A.
Interest rates in the United States were increasing.
B.
Inflation in the United States was moving up steadily.
C.
The inflation rate in Mexico over that same period was higher than that of the United States.
D.
The real exchange rate had fallen.
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【单选题】下列说法中错误的是 1化学性质相似的有机物是同系物 2分子组成相差一个或几个CH 2 原子团的有机物是同系物 3若烃中碳、氢元素的质量分数相同,它们必定是同系物 4互为同分异构体的两种有机物的物理性质有差别,但化学性质必定相似 [ ]
A.
1234
B.
只有23
C.
只有34
D.
只有123
【简答题】奥古斯丁认为人类作恶的原因是人的()
【简答题】如图，已知反比例函数y 1 = 和一次函数y 2 =ax+b的图象相交于第一象限内的点A，且点A的横坐标为1，过点A作AB⊥x轴于点B，△AOB的面积为2，一次函数y 2 =ax+b的图象与x轴相交于点C，且三角形ABC是等腰直角三角形。 （1）求反比例函数和一次函数的解析式； （2）结合图象直接写出：当y 1 ＞y 2 ＞0时，x的取值范围。
【简答题】已知，直线y=- 3 3 x+1与x轴，y轴分别交于点A、B，以线段AB为直角边在第一象限内作等腰 Rt△ABC，∠BAC=90度．且点P（1，a）为坐标系中的一个动点． （1）求三角形ABC的面积S △ABC ； （2）证明不论a取任何实数，三角形BOP的面积是一个常数； （3）要使得△ABC和△ABP的面积相等，求实数a的值．
【简答题】David realized when he had to endure de______, he had to quit and abandon his company to throw himself on the mercy of his opponents.
【单选题】下列说法错误的是 ( ) 1 化学性质相似的有机物是同系物 2 在分子组成上相差一个或若干个 CH 2 原子团的有机物是同系物 3 若烃中碳、氢元素的质量分数相同,它们必定是同系物 4 互为同分异构体的两种有机物的物理性质有差别,但化学性质必定相似
A.
①②③④
B.
只有 ②③
C.
只有 ③④
D.
只有 ①②③
【单选题】_________with enough ability for the present job， Mike was not fit for it and he had to quit it.
A.
Not equipping
B.
Not equipped
C.
Not to be equipped
D.
Having not been equipped
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