(10分)
现用质量分数为36.5%、密度为1.20 g·cm-3的浓盐酸来配制100 mL 1.5 mol/L的稀盐酸。可供选择的仪器有：①玻璃棒②烧瓶③烧杯④胶头滴管⑤量筒⑥容量瓶⑦托盘天平⑧药匙。请回答下列问题：
（1）上述仪器中，在配制稀盐酸时用不到的有 (填代号)。
（2）经计算，需浓盐酸的体积为 。
现有①10 mL ②20 mL ③50 mL ④100 mL四种规格的量筒，取用浓盐酸应选用的量筒是 (填代号)。
（3）在配制过程中，其他操作都准确，下列操作中：错误的是 ，能引起误差偏高的有 （填序号）。
①洗涤量取浓盐酸后的量筒，并将洗涤液转移到容量瓶中
②稀释后的盐酸在空气中放置过久
③定容时，加蒸馏水超过标线，又用胶头滴管吸出
④转移前，容量瓶中含有少量蒸馏水
⑤定容摇匀后，发现液面低于标线，又用胶头滴管加蒸馏水至标线
⑥定容时，俯视标线
(1)②⑦⑧ (2)12.5mL ② (3)①②③⑤⑥ ①⑥
My mother goes to (去) the food shop every day. 31 has to buy many 32 of food because(因为) she has three children, one son and two 33 . I am her 34 . After school, I can help her do the housework(家务). Today(今天) is Sunday(周日). I go to 35 with my mother. In the shop, I find some food 36 very expensive(贵). We buy some cakes and bread. My little sister likes 37 very much. My mother buys 38 apple juice for my elder(大) sister. 39 I don’t buy anything(任何东西), because we have a 40 bag to carry (提).
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