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2015－2016学年高一生物期末考试非选择题第39小题答案 39. （每空2分，共14分）回答下列问题 (1) 科学家卡尔文用14C标记CO2供小球藻进行光合作用，探明了卡尔文循环途径，请写出CO2的14C的转移过程 。 (2) 在实验A中，如果所用的0.48%含18O，CO2中有0.68%含18O，则释放的氧气中含18O标记的氧原子比例为 。 (3)现有一瓶混有酵母菌和葡萄糖的培养液，通入不同浓度的氧气时，产生酒精和二氧化碳 的量如图所示，请据图回答问题。 1)曲线a表示________量；曲线b表示________量。 2)酵母菌呼吸作用产生酒精的场所是________，酒精可用________鉴定。 3)氧气浓度为a时，酵母菌无氧呼吸消耗的葡萄糖量占葡萄糖总消耗量的______________。
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举一反三
【单选题】Question 14
A.
They tend to drive responsibly.
B.
They like to go at high speed.
C.
They keep within speed limits.
D.
They follow traffic rules closely.
【单选题】在个人组织化阶段, 新员工往往会出现走两个极端的情况, 一是只表现自己, 二是( )
A.
努力贡献，工作出色
B.
积极热清
C.
不闻不问，缺乏进取心
D.
好高骛远
【单选题】Question 14
A.
He has a bad memory.
B.
He misplaces things occa sionally.
C.
He is the woman ’ s secretary .
D.
He often goes to the break room at work .
【单选题】Question 14
A.
Curry chicken
B.
Fried prawns
C.
Chinese fried rice
D.
Sweet and sour pork
【简答题】Bill Gates has a nice house on a hill by Lake Washington. Inside the house there are seven bedrooms, 24 bathrooms, six kitchens and six fireplaces. It even has a theatre, a library, an exercise room a...
【单选题】在个人组织化阶段, 新员工往往会出现走两个极端的情况, 一是只表现自己, ( ) 二是 。
A.
努力贡献，工作出色
B.
积极热情
C.
尊重上司
D.
不闻不问，缺乏进取心
【判断题】Bill Gates talks to his Big House and receives efficient responses. When he is on the way home, he can ask his house to fill his bathtub with hot water. Additionally,the Big House looks after his favo...
A.
正确
B.
错误
【简答题】Bill Gates talks to his Big House and receives ( ). The Big House ( ) his favorite plant, a 140-year-old maple, for him. The maple is monitored electronically 24 hours per day by computers.
【简答题】请用括号里的单词的适当形式填空。 They believed that the computer 1______ (become) an important tool for every office and every home. So they 2_____(start) developing software for personal computers. To us now,This 3...
【单选题】西野是公司的HR,他在一次访谈中说道,在个人组织化阶段,新员工往往会出现走两个极端的情况。一是只表现自己,二是()
A.
努力贡献，工作出色。
B.
积极热情。
C.
不闻不问，缺乏进取心。
D.
尊重上司。
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