题文
(2012年浙江卷，2)The development of industry has been ________ gradual process throughout ________human existence，from stone tools to modern technology.
| A．不填；the |
| B．the；a |
| C．a；不填 |
| D．a；a |
推荐试卷
(2012年浙江卷，2)The development of industry has been ________ gradual process throughout ________human existence，from stone tools to modern technology.
| A．不填；the |
| B．the；a |
| C．a；不填 |
| D．a；a |
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