1.选择题- (共13题)
化学变化常伴随的现象为{#blank#}1{#/blank#} ,{#blank#}2{#/blank#} ,{#blank#}3{#/blank#} 等.而且还伴随能量的变化,常表现为{#blank#}4{#/blank#} ,{#blank#}5{#/blank#} ,{#blank#}6{#/blank#} .
化学变化中常常伴随{#blank#}1{#/blank#}、{#blank#}2{#/blank#} 、{#blank#}3{#/blank#} 、{#blank#}4{#/blank#} 生成沉淀等现象.
化学变化中常常伴随{#blank#}1{#/blank#}、{#blank#}2{#/blank#} 、{#blank#}3{#/blank#} 、{#blank#}4{#/blank#} 生成沉淀等现象.
化学变化中常常伴随{#blank#}1{#/blank#}、{#blank#}2{#/blank#} 、{#blank#}3{#/blank#} 、{#blank#}4{#/blank#} 生成沉淀等现象.
化学变化常伴随着一些现象的出现,如在氢氧化钠溶液中滴加几滴酚酞试液时溶液会{#blank#}1{#/blank#} ,将锌粒放入稀盐酸中会出现{#blank#}2{#/blank#},向硫酸铜溶液中滴加氢氧化钠溶液会出现{#blank#}3{#/blank#} .
化学变化常伴随着一些现象的出现,如在氢氧化钠溶液中滴加几滴酚酞试液时溶液会{#blank#}1{#/blank#} ,将锌粒放入稀盐酸中会出现{#blank#}2{#/blank#},向硫酸铜溶液中滴加氢氧化钠溶液会出现{#blank#}3{#/blank#} .
化学变化常伴随着一些现象的出现,如在氢氧化钠溶液中滴加几滴酚酞试液时溶液会{#blank#}1{#/blank#} ,将锌粒放入稀盐酸中会出现{#blank#}2{#/blank#},向硫酸铜溶液中滴加氢氧化钠溶液会出现{#blank#}3{#/blank#} .
2.单项选择- (共10题)
A.不填, a | B.不填, the | C.an , a | D.an, the |
A.to deliver | B.delivered | C.delivering | D.deliver |
---- I’m sorry. My mother is expecting me at home.
A.Must | B.Can | C.Would | D.Might |
A.look forward to | B.live up to | C.keep up with | D.put up with |
A.left hanging | B.left to hang | C.left hung | D.to leave hanging |
A.appropriate | B.specific | C.limited | D.considerable |
A.as, that | B.that, which | C.that, as | D.which, which |
A.it | B.that | C.those | D.which |
A. in case | B.so long as | C.if only | D.so far as |
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【1】题量占比
选择题:(13道)
单项选择:(10道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:2
5星难题:0
6星难题:7
7星难题:0
8星难题:1
9星难题:0