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【简答题】
已知正比例函数y=kx经过点A（2，1），如图所示． （1）求这个正比例函数的关系式 （2）将这个正比例函数的图像向左平移4个单位，写出在这个平移下，点A、原点O的对应点A'、O'的坐标，求出平移后的直线O'A'所对应的函数关系式 （3）已知点C的坐标为（-3，0），点P（x，y）为线段O/B上一动点（P与O'、B不重合），设△PCO的面积S ① 求S与x之间的函数关系式及x的取值范围； ② 求当S= 时，点P的坐标
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【单选题】A brick works, together with some drug factories, ______ here.
A.
is to build
B.
is to be built
C.
are to build
D.
are to be built
【单选题】Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exciting than their own. The...
A.
to enjoy a good story'
B.
to experience an exciting life
C.
to see the actors and actresses
D.
to escape their daily life
【单选题】听力原文： Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exiting than their own...
A.
enjoy a good story
B.
see their favorite actors or actresses
C.
temporarily escape from their everyday life
D.
share with their family a common experience
【单选题】听力原文： Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exiting than their own...
A.
enjoy a good story
B.
see their favorite actors or actresses
C.
temporarily escape from their everyday life
D.
,share with their family a common experience
【简答题】Some companies foresee the bankruptcy of food processing factories.
【单选题】It _______ law for some people to let the children who are not old enough ____ in the factories for them.
A.
goes against; to work
B.
goes against; work
C.
sets against; to be working
D.
sets against; working
【单选题】There are some trees on one side of the road and some factories on _____.
A.
other
B.
the other
C.
another
D.
others
【单选题】Some companies foresee the bankruptcy of food processing factories.
A.
Right
B.
Wrong
C.
Not mentioned
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