气象观测场内的仪器应当按照“（），（），便于观测”的原则进行合理布置。
参考答案：北高南低；互不影响
I was never_____ t o receive a _____ result from my science teacher.
A．surprised; disappointed
B．surprised; disappointing
C．surprising; disappointed
D．surprise; disappointing
波普尔的证伪原理
