由于权益证券本身不具备价值，影响其价格变化的因素复杂，导致权益证券在交易中可能波动剧烈，投机活动往往较活跃，因而市场风脸也就更大。
参考答案：对
命令LEN(SPACE(3)-SPACE(2))的结果是( )。
A．1 B．2C．3 D．5
根据所给提示，完成句子，每空一词，含缩略词
1. Most people watched TV late in May this year. (改为一般疑问句)
_______________ most people _______________ TV late in May this year?
2. The students will learn the group dance on the school playground. (对划线部分提问)
_______________ the students learn the group dance?
3. More and more foreigners speak Chinese in the world now. （改为被动语态）
Chinese _______________ _______________ by more and more foreigners in the world now.
4. Little Jim is only five years old. He can't make model planes by himself. （合并为一句)
Little Jim is ______________ young ______________ make model planes by himself.
5. 我们应该多参加课外活动。(完成译句)
We should in after-school activities more often.
