效度和成本的关系是()。
A、不确定
B、成正比
C、成反比
D、对等
参考答案:B
Learn from every mistake because every experience, encounter, and particularly your mistakes are there you and you into being more who you are.
A.teach; force
B.taught; forced
C.to teach; forcing
D.to teach; force
The school advisers help you talk through your problems but they don't give you any direct _____.[ ]
A. solution
B. target
C. measure
D. function