在工程概预算里，( )作为论证拟建项目在经济上是否合理的重要文件。

A．总概算

B．总预算

C．投资估算

D．投资概算

An appropriate-for-gestational-age neonate should weigh（）

A. between the 10th and the 90th percentiles for age.

B. at least 2,500 g (5 lb, 8 oz).

C. between 2,000 and 4,000 g (4 lb, 6 oz and 8 lb, 12 oz).

D. in the 50th percentile.