企业以较强的研究与开发实力推动新产品开发，使新产品尽快投放市场的开发战略是（）
A.紧随战略
B.冒险战略
C.进取战略
D.保持地位战略
参考答案：C
将下列各句改写为同义句，每个空格只填写一个单词。
1. A: What a pleasant trip it was!
B: ________ ________ the trip was!
2. A: My mother is not as tall as I am now.
B: I am ________ ________ my mother now.
3. A: Daniel learned how to make a home page by himself.
B: Daniel ________ ________ how to make a home page.
4. A: I like Science. I also like History.
B: I like Science. I like History ________ ________.
5. A: Daniel has poor eyesight because he works too much on the computer.
B: Daniel has poor eyesight ________ ________ working too much on the computer.
游离的醌类化合物一般具有（）。
A.酸碱性
B.溶解性
C.升华性
D.稳定性
