题干
Young couples today would rather have only one kid _______the heavy pressure.
A：because of
B：thanks to
C：because
D：for
答案(点此获取答案解析）
A
Young couples today would rather have only one kid _______the heavy pressure.
A：because of
B：thanks to
C：because
D：for
、 
、 
是两两不等的实数，点 
， 
，点 
， 
，则直线 
的倾斜角为（ ）