吸纯氧时PVO2应是()
A.26mmHg
B.30mmHg
C.36mmHg
D.40mmHg
E.46mmHg
参考答案:E
The company plans to the costs of raw materials by 10% next year.
A.turn down
B.cut down
C.keep away
D.cut off
股份有限公司法定注册资本的最低限额为()人民币。
A.10万
B.100万
C.500万
D.1000万