单选题 We understand you need easy access _____ up-to-date information about your accounts in our bank.
in
to
for
with
单选题 I didn’t expect to receive a postcard from you! It’s really _____ my wildest imagination.
behind
beyond
except
through
单选题 The weather forecast says it is going to clear _____ soon.
up
out
over
about
单选题 已知点A(1,3),B(8,-5),则线段AB的垂直平分线的方程是( ).
x+4y-6=0
x-4y+6=0
x-4y-6=0
x+4y+6=0
单选题 直线5x-2y+1=0与直线15x-6y+m=0的位置关系是( ).
平行
垂直
平行或重合
相交而不垂直
单选题 直线ax+2y-1=0与x+(a-1)y+2=0平行,则a等于( ).
2
-1
2或-1