浙江省温州市普通高中2023届高三第二次适应性考试生物试卷及答案

浙江省温州市普通高中2023届高三第二次适应性考试生物试卷及答案，目前全国100所名校答案网已经汇总了浙江省温州市普通高中2023届高三第二次适应性考试生物试卷及答案的各科答案和试卷，更多全国100所名校答案请关注本网站。

6.下列化学反应，对应的离子方程式正确的是A.将Na投入CuS0,溶液中：2Na+Cu2+—2Na++CuB.在Na2C03溶液中滴入少量盐酸：C0-+2H*C02↑+H20C.铜和浓硝酸的反应：Cu+4H++2N0,一Cu2++2N02↑+2H20D.用饱和FeCL,溶液制取胶体：Fe3·+3H,0△Fe(OH),↓+3H【答案】C【解析】钠投入硫酸铜溶液中先与水反应，无法置换出金属铜，A项错误；在碳酸钠溶液中滴入少量盐酸，离子反应为CO+H+一HCO,,B项错误；铜和浓硝酸反应生成NO2,对应离子方程式为Cu+4H+2N03Cu+2NO2↑+2H20,C项正确；用饱和FCl,溶液制取胶体，不是生成沉淀，不标沉淀符号，D项错误。

0O,1 ave seer1o。0I短文改错The new school year is around A corner,so I need to buy something to my children and myself.theforTherefore,yesterday's afternoon I took them to a shoe store to buying some new shoes.My youngest kidsyesterdaybuykidwanted a pair of sports shoes and thus we bought one pair.My older son needed a pair of casual shoes forschool,and we were found some on sale.The first pair which he tried on was a little small,so he put onthat/whichother pair,and they fitted him perfectly.My daughter wanted beauty dress shoes and she got some highanotherbeautifulheels.I myself bought some boots because my old ones were wearing out.worn五而第大