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这道题考过两次了我看谁第三次还错: 科研人员对猕猴桃果肉的光合色素、光合放氧特性进行了系列研究。图 1 为光合放氧测定装置示意图,图 2 为果肉随时间变化的光合放氧曲线。请回答下列问题: (1) 提取果肉中的光合色素时,取果肉薄片放入含乙醇的试管,并加入适量 CaCO 3 ,以防止 ___1__ 降解。 (2) 若突然提高光照强度,短时间内果肉叶绿体内含量增加的物质有: ____2____ (填字母序号: A .【 H 】 B.ATP C.C3 D.C5 E.NADP + F.ADP ) (下接简答题3)
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参考答案：
举一反三
【单选题】最适于腰椎骨折老年人的搬运工具是(
A.
平车
B.
轮椅
C.
担架
D.
二人搬抬
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【单选题】Microsoft SQL Server 是一款
A.
小型手持计算机设备上的数据库管理系统
B.
网络数据库管理系统
C.
大型机关系数据库管理系统
D.
中端机数据库管理系统
查看完整题目与答案
【单选题】He is a (well-known) hardworking and clever student, and he often gets top (scores) in his class so all his classmates (are sure) that he (studies very hardly).
A.
well-known
B.
scores
C.
are sure
D.
studies very hardly
查看完整题目与答案
【简答题】His testresults are not very _____. He does well one week and badly the next. A. invariable    B. consequent    C.continuous    D. consistent
查看完整题目与答案
【单选题】_____ breaking his leg, he hurt his arm.
A.
As good as
B.
As well
C.
So well as
D.
As well as
查看完整题目与答案
【单选题】He is popular in his class. Because he _______ his classmates.
A.
falls in love with     
B.
gets on well with    
C.
talks with
查看完整题目与答案
【判断题】复式条形图组内小条之间有间隙,各条组之间无间隙。
A.
正确
B.
错误
查看完整题目与答案
【单选题】创业既是一种精神,也是一种理念,更是一种()
A.
活动
B.
B 道德
C.
行动
D.
教育
查看完整题目与答案
【单选题】Well-known ______ his new book does sell well.
A.
as he is
B.
as is he
C.
that he is
D.
he is so
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【单选题】碱性石料的化学性质是按其SiO2的含量小于 划分的。( )
A.
52%
B.
65%
C.
45%
D.
32%
查看完整题目与答案
相关题目：
【单选题】最适于腰椎骨折老年人的搬运工具是(
A.
平车
B.
轮椅
C.
担架
D.
二人搬抬
查看完整题目与答案
【单选题】Microsoft SQL Server 是一款
A.
小型手持计算机设备上的数据库管理系统
B.
网络数据库管理系统
C.
大型机关系数据库管理系统
D.
中端机数据库管理系统
查看完整题目与答案
【单选题】He is a (well-known) hardworking and clever student, and he often gets top (scores) in his class so all his classmates (are sure) that he (studies very hardly).
A.
well-known
B.
scores
C.
are sure
D.
studies very hardly
查看完整题目与答案
【简答题】His testresults are not very _____. He does well one week and badly the next. A. invariable    B. consequent    C.continuous    D. consistent
查看完整题目与答案
【单选题】_____ breaking his leg, he hurt his arm.
A.
As good as
B.
As well
C.
So well as
D.
As well as
查看完整题目与答案
【单选题】He is popular in his class. Because he _______ his classmates.
A.
falls in love with     
B.
gets on well with    
C.
talks with
查看完整题目与答案
【判断题】复式条形图组内小条之间有间隙,各条组之间无间隙。
A.
正确
B.
错误
查看完整题目与答案
【单选题】创业既是一种精神,也是一种理念,更是一种()
A.
活动
B.
B 道德
C.
行动
D.
教育
查看完整题目与答案
【单选题】Well-known ______ his new book does sell well.
A.
as he is
B.
as is he
C.
that he is
D.
he is so
查看完整题目与答案
【单选题】碱性石料的化学性质是按其SiO2的含量小于 划分的。( )
A.
52%
B.
65%
C.
45%
D.
32%
查看完整题目与答案
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