题目

右图是甲、乙、丙三种固体物质的溶解度曲线,下列说法错误的是(      ) A.t2℃时,甲、乙两种物质的溶解度相等 B.甲的溶解度随温度的升高而增大 C.分别将t3℃时甲、乙、丙的饱和溶液降温至t1℃, 则所得的三种溶液中溶质的质量分数大小关系是乙>甲>丙 D.t1℃时,丙的饱和溶液中溶质的质量分数为40%文中共有10处语言错误,每句中最多有两处,每处错误仅涉及一个单词的增加、删改或修改。增加:在缺词处加一个漏字符号(Λ),并在其下面写出该加的词。删除:把多余的词用斜线(\)划掉。修改:在错的词下划一横线,并在该词下面写出修改后的词。注意:1.每处错误及其修改均仅限一词;2.只允许修改10处,多者(从第11处起)不计分。I have planned an autumn outing for my class the next week, and I’m writing to ask your permission.First, the place where we’ve decided to visit – the Forest Park is not far away from the city. We can take a bus and ride a bike to get there. Second, the trip would provide us with a great opportunity to get closely to nature. Third, we need to spare some times to take some physical exercise. Some teachers will join us to make sure of our safe.We are all looking forward to receive your permission. We would appreciate you if you can kindly give us an immediate reply.
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