句型转换。

1. It may be snowy tomorrow.(改为同义句)

    It will______ ______tomorrow.

2. Remember to wear warm clothes because it may get colder.(改为同义句)

    ______ ______to wear warm clothes because it may get colder.

3. It often rains in spring. (变否定句)

    It______ ______very often in spring.

4.You can come to my house at any time.(就画线部分提问)

    ______ ______we come your house?

5. It's 30 degrees. (就画线部分提问)

    ______the______ ?

随着甲型H1N1流感病毒的爆发，以梧州藤县特产八角的提取物为原料生产的“达菲胶囊”，在防治流感中再显神威．“达菲”的化学式为：C₁₆H₃₆O₈N₂P，该物质属于______（填“有机物”或“无机物”），由______种元素组成，其相对分子质量为______，“达菲”中碳元素和氧元素的质量比为______．