【正确答案】 Some sheds and kiosks, which had been erected in violation of relevant regulations, were demolished yesterday in Heping District.

【答案解析】 “拆除”词有人爱用dismantle，但dismantle是take a machine or article to pieces，只有“拆”而无“除”的意思。而demolish意为to destroy, pull or tear down，用在这儿正合适。