发展社会主义文化必须坚持“二为”方向和“百花齐放、百家争鸣”的方针，这是中 * * 党对

句型转换。

1. That famous singer has written many hit songs already. (改为一般疑问句)

    _____ that famous singer _____ many hit songs _____?

2. Jackie Lee has given tremendous sums of money he made to a charity for homeless children. (改为一

    般疑问句)

    _____ Jackie Lee _____ tremendous sums of money he made to a charity for homeless children?

3. Miss Wang has taught English for ten years. (改为同义句)

    It _____ _____ ten years since Miss Wang _____ English.

4. Her brother bought this beautiful coat three days ago. (改为同义句)

    Her brother _____ _____ this beautiful coat _____ three days.

5. I have never traveled on a plane. (改为一般疑问句)

    _____ you ever _____ on a plane?

对腐蚀性强的气体，气缸应采用耐酸的（）铸铁。

A.镍铬合金

B.高镍

C.合金

D.高锰

学生掌握了整数、分数、小数的知识后，可以概括为有理数，这是思维过程的( )

A．具体化
B．分析
C．系统化
D．抽象

下列财务战略属于防御型的有（）。

A.维持型财务战略

B.调整型财务战略

C.放弃型财务战略

D.清算型财务战略

E.稳固发展型财务战略

( )是企业在一定期间内生产经营活动的最终成果。

A．资产

B．收入

C．所有者权益

D．利润