贸易全球化在一定程度上促进发展中国家进出口贸易的增长，对发展中国家( )形成一定的促进作用。

A．资源配置优化

B．规模经济

C．产业结构升级

D．技术更新

E．产业组织优化

The cotton production has increased by_________percent this year compared with last year.

A．five point six eight

B．five point sixty-eight

C．fifth point and six eight

D．five point and six eight