题目

研究水温对物质的溶解快慢的实验中,相同的条件是:。 答案:【1】水量一样、食盐量一样、食盐颗粒一样、同时倒入水中、都搅拌或者都不搅拌、杯子一样 用括号中所给单词的适当形式完成下列句子 1. He was no ________ a suspect. (long) 2. Don’t jump to _________ before you make a decision. (conclude) 3. The old lady shouted ________ at the boy. He must have done something wrong again. (angry) 4. We can get a lot of _________ from books. (know) 5. The doctor is giving an __________. (operate) 6. Tens of thousands of _________ were lost in that terrible earthquake. (live) 7. We opened the __________ at once and found that most of the things in it were missing. (safety) 8. Sales of their ________ watches are up by 70% this month. (electric)
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