生产经营成本高,大多是不盈利的是( )期的价格策略。
A.导人期
B.成长期
C.成熟期
D.衰退期
参考答案:A
Rewrite the following sentence according to the request in the parentheses.
(根据括号中的要求改写下列句子。)
1. I made a cake this morning. (改为一般疑问句)
_____ you _____ a cake this morning?
2. Everything goes well. (对画线部分提问)
_____ does everything _____?
3. The twin sisters like classical music. (改为一般疑问句)
_____ the twin sisters _____ classical music?
4. My math teacher is friendly and kind. (对画线部分提问)
_____ is your math teacher _____?
5. Tony likes sweets because they taste delicious. (对画线部分提问)
_____ _____ Tony like sweets?
牙轮钻机气压控制系统辅助空压机为()空压机。