1.单选题- (共5题)
A.能与二氧化碳反应 |
B.能使无色酚酞试液变红 |
C.能与稀硫酸反应 |
D.能使紫色石蕊试液变红 |
A.能使紫色石蕊溶液变蓝色 |
B.能与盐酸反应生成水 |
C.能与Na2SO4溶液反应生成BaSO4沉淀 |
D.能与CO2反应生成水 |
2.选择题- (共3题)
My mother is a teacher. On weekdays, she gives lessons at school and on Saturdays she works in clubs. On Sundays, she is still busy.
On Sunday morning, mum gets up at six. She cooks breakfast for us first. And then it's time for cleaning. After that, she has breakfast with father and me. At 9, she goes to buy food for lunch in the supermarket. She can have a short rest after lunch. In the afternoon, mum doesn't go out. She helps me with my lessons. She does some reading, too.
Mother watches TV at about 7 when she finishes (完成) the housework. But at that time she is always tired and falls asleep (睡着) in the sofa sometimes.
My mother is a teacher. On weekdays, she gives lessons at school and on Saturdays she works in clubs. On Sundays, she is still busy.
On Sunday morning, mum gets up at six. She cooks breakfast for us first. And then it's time for cleaning. After that, she has breakfast with father and me. At 9, she goes to buy food for lunch in the supermarket. She can have a short rest after lunch. In the afternoon, mum doesn't go out. She helps me with my lessons. She does some reading, too.
Mother watches TV at about 7 when she finishes (完成) the housework. But at that time she is always tired and falls asleep (睡着) in the sofa sometimes.
3.填空题- (共1题)
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【1】题量占比
单选题:(5道)
选择题:(3道)
填空题:(1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:1
5星难题:0
6星难题:2
7星难题:0
8星难题:3
9星难题:0