升水是指即期汇率高于远期汇率的差额。 ( )
参考答案：错
To make China _________ the USA in science and technology, we need more talents.
A．as a strong country as
B．strong as a country as
C．as strong a country as
D．as stronger as
眼睛受到S02刺激时，应离开现场，并用2%（）冲洗。
A、苏打水
B、NaOH
C、HCl
D、NaCl
