题目内容
（请给出正确答案）
A.improve the efficiency of it
B.turn plant sugars to a new form. of energy
C.make green plants a new source of energy
D.get more sugars and starches from plants
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“Scientists study how photosynthesis works because they want to __________.”相关的问题
A.change
B.convert
C.shift
D.transform
A、study how computers work normally
B、study how human brain works normally
C、study how large amounts of data can be stored
D、study how computing speed can be increased
A．interchange
B．interrelation
C．intercourse
D．interaction
How do scientists estimate the age of language？
A．By studying animals" evolution.
B．By studying human genes.
C．By using mathematical tools.
D．By using the age of living species.
A．Because all of them had been in a very good school.
B．Because all of them had a very clever brain.
C．Because all of them knew how to study and how to think.
32 Scientists study how photosynthesis works because they want to_____.
A improve the efficiency of it.
B turn plant sugars to a new form. of energy.
C get more sugars and starches from plants.
D make green plants a new source of energy.
Why do the scientists want to do the study？ 查看材料
A.They want to make sure if chocolate is really beneficial.
B.They want to see how chocolate improve health.
C.They want to know why people love to eat chocolate.
D.They want to find out the benefits of pure flavanols.
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