公开开标是根据标书中规定的时间和地点，在投标人或代理在场的情况下，公开将全部投标书中所列的投标内容唱标。 ( )
参考答案：对
麻醉期间，高血压患者降压为原水平的多少，即应视为低血压（）
A.20%
B.25%
C.30%
D.15%
E.5%
To our surprise, the 60-year-old granny driver eventually and drives well.
A．became
B．has become
C．turned
D．has turned
