1.单选题- (共6题)
| A．1 mol蔗糖可以水解生成2 mol葡萄糖 |
B．甲苯( )的一氯取代物有4种 |
C． 的一氯取代物有4种(不考虑空间异构) |
D．CH3—CH CH—CH3与C4H8互为同系物 |
(l)+H2(g)
(l) ΔH>0①
(l)+2H2(g)
(l) ΔH<0②下列说法中不正确的是
| A．①②都属于加成反应 |
| B．在通常条件下,①②都能自发进行 |
| C．①吸热、②放热的事实说明苯环中含有的并不是碳碳双键 |
| D．①②中的所有有机物均可使溴水褪色,但褪色原理不完全相同 |
2.选择题- (共5题)
In Britain，the government，school leaders，teachers and parents all agree that students should wear uniforms．B{#blank#}1{#/blank#} British private schools have their own school uniforms．They think it's i{#blank#}2{#/blank#} for pupils to wear school uniforms．
School leaders normally decide if pupils will have to wear a uniform，and they a{#blank#}3{#/blank#} decide what it should look like．You know，no students want to wear65．u{#blank#}4{#/blank#} uniforms．
Everybody wants to wear beautiful uniforms．
Leaders have to follows the rules，and they c{#blank#}5{#/blank#} just choose anything they like．They have to t{#blank#}6{#/blank#} of the students' feeling and taste．Here are a few f{#blank#}7{#/blank#} leaders should consider．
①Cost．This is the first fact they should consider．Their uniforms shouldn't be too e{#blank#}8{#/blank#} because it may cause problems for some families．Not all the families can afford it．
②Sexism（性别歧视）．The uniform policy must be equally fair（公平的）for boys and g{#blank#}9{#/blank#}．
③Cultrues and races．School rules must a{#blank#}10{#/blank#} pupils from all backgrounds to wear a uniform，for example，allowing Muslim（穆斯林）girls to wear an appropriate dress and Sikh（印度锡克教徒）boys to wear a traditional headdress（头饰）．
In Britain，the government，school leaders，teachers and parents all agree that students should wear uniforms．B{#blank#}1{#/blank#} British private schools have their own school uniforms．They think it's i{#blank#}2{#/blank#} for pupils to wear school uniforms．
School leaders normally decide if pupils will have to wear a uniform，and they a{#blank#}3{#/blank#} decide what it should look like．You know，no students want to wear65．u{#blank#}4{#/blank#} uniforms．
Everybody wants to wear beautiful uniforms．
Leaders have to follows the rules，and they c{#blank#}5{#/blank#} just choose anything they like．They have to t{#blank#}6{#/blank#} of the students' feeling and taste．Here are a few f{#blank#}7{#/blank#} leaders should consider．
①Cost．This is the first fact they should consider．Their uniforms shouldn't be too e{#blank#}8{#/blank#} because it may cause problems for some families．Not all the families can afford it．
②Sexism（性别歧视）．The uniform policy must be equally fair（公平的）for boys and g{#blank#}9{#/blank#}．
③Cultrues and races．School rules must a{#blank#}10{#/blank#} pupils from all backgrounds to wear a uniform，for example，allowing Muslim（穆斯林）girls to wear an appropriate dress and Sikh（印度锡克教徒）boys to wear a traditional headdress（头饰）．
In Britain，the government，school leaders，teachers and parents all agree that students should wear uniforms．B{#blank#}1{#/blank#} British private schools have their own school uniforms．They think it's i{#blank#}2{#/blank#} for pupils to wear school uniforms．
School leaders normally decide if pupils will have to wear a uniform，and they a{#blank#}3{#/blank#} decide what it should look like．You know，no students want to wear65．u{#blank#}4{#/blank#} uniforms．
Everybody wants to wear beautiful uniforms．
Leaders have to follows the rules，and they c{#blank#}5{#/blank#} just choose anything they like．They have to t{#blank#}6{#/blank#} of the students' feeling and taste．Here are a few f{#blank#}7{#/blank#} leaders should consider．
①Cost．This is the first fact they should consider．Their uniforms shouldn't be too e{#blank#}8{#/blank#} because it may cause problems for some families．Not all the families can afford it．
②Sexism（性别歧视）．The uniform policy must be equally fair（公平的）for boys and g{#blank#}9{#/blank#}．
③Cultrues and races．School rules must a{#blank#}10{#/blank#} pupils from all backgrounds to wear a uniform，for example，allowing Muslim（穆斯林）girls to wear an appropriate dress and Sikh（印度锡克教徒）boys to wear a traditional headdress（头饰）．
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【1】题量占比
单选题:(6道)
选择题:(5道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：4
7星难题：0
8星难题：1
9星难题：1