恒生指数的基期是()
A.1960年5月30日
B.1962年7月21日
C.$23,589.00
D.25770
参考答案:C
She couldn't _____ her words _____ by the students. [ ]
A. get; understanding
B. get; understood
C. make; to understand
D. make; understand
含水率为3%的湿砂300g,经烘干后该砂为( )。
A.291.0g
B.288.3g
C.291.3g
D.294.1g