2009年12月27日国务院 * * 温 * * 指出：“人民币升值面临的压力越来越大。……在世界主要货币接连贬值的情况下，人民币保持币值的基本稳定是对国际社会的贡献。” 如果人民币升值，会直接引起的经济现象是( )

A．出口商品价格上升

B．通货紧缩

C．生产下降，市场萎缩

D．纸币购买力降低

句型转换。

1. We learn English by watching English-language videos. (就画线部分提问)

                    you learn English?

2. Have you ever read the novels by Mark Twain? (作否定回答)

    No, I        .

3. I have been learning English for six years. (就画线部分提问)

                         you        learning English?

4. I don't know how I can spell new words. (改为简单句)

    I don't know               new words.

5. Why don't you keep an English notebook? (改为同义句)

    Why        an English notebook?