1 .
1. 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

One of the most famous Chinese medical treatments is __________ art of “magic needles”, or Chinese acupuncture. It was developed long ago, perhaps as early as 2000 BCE. ①There is evidence that acupuncture dates back to the Stone Age, _________ stone tools   __________ (call) bian were used to press areas of the body.

2. 汉译英
(1). 医学治疗 __________
(2). 证据 __________
(3). 追溯到 __________
(4). 石器时代 __________
(5). 用于 __________
3. 句式分析
句式①中含__________从句，先行词是时间时，由__________引导。句意 ______________________________________________________________________________