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④The officer ________ his soldiers ________ fire. 那名军官命令士兵们开火。 ⑤Simon ________ ________ ________ ________ ________ French. 西蒙精通法语。 答案：①took command of ②under his command ③should be set free ④commanded；to ⑤has a good command of 4．request v．& n. 请求；要求 归纳拓展 (1)request sb. to do sth. 请求某人做某事 request that sb. (should) do sth. 要求/请求某人做…… request sth. 要求得到某物 (2)make a request for sth. 要求某物；需要某物 at sb.'s request(＝by the request of sb.) 应某人要求/请求 答案：①requested us to keep a diary ②no one (should) be allowed ③requesting personal information ④at the request of our parents 5．recognize vt. 辨认；识别；承认；公认 归纳拓展 (1)recognize sb./sth. 认出某人/识别出某物 recognize sb./sth. as/to be 承认/认定某人/某物是…… It is recognized that ... 人们公认…… (2)recognition n. 认识，识别；承认；常识 out of/beyond recognition 认不出来 (2)用所给词的适当形式填空。 Alexander tried to get his work ________(recognize) in the medical circles. 亚历山大试图让他的工作在医学界得到认可。 答案：(1)①recognize the strengths ②It is recognized that (2)recognized 1.because of 因为；由于 归纳拓展 because of＋n./pron./doing sth./what 从句 由于……原因(作状语或表语) 同义短语： as a result/consequence of 因为，由于(作状语) due to/owing to 由于(作表语或状语) on account of 因为(作状语) thanks to 多亏；由于(作状语) | 
