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【简答题】
培养基中包括植物生长必需的16种营养元素和某些生理活性物质，可分为 、 和 这三大类。
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反馈参考答案：
举一反三
【单选题】Which of the following statements relating to money markets is/are true? 1 Lending is for periods greater than one year. 2 Lending is securitised. 3 Borrowers are mainly small companies.
A.
1 and 2
B.
2 only
C.
2 and 3
D.
1 and 3
【单选题】which of the following statements is not true about the british media?
A.
They are mainly interested in making huge profits by publishing advertisements.
B.
They supply people with news，keeping them informed of what is happening in the world.
C.
They help shape British culture.
D.
They provide entertainment.
【判断题】Fatty acids are synthesized from the Acetyl CoA,which is mainly produced from Pyruvate
A.
正确
B.
错误
【单选题】Which is/are mainly responsible for education in Australia?
A.
The individual states
B.
The territory assemblies
C.
The federal government
D.
The municipal governments
【多选题】Crystals which are mainly formed by metallic bonding
A.
hardness is either high or low
B.
solid conductive
C.
liquid conductive
D.
high melting point
E.
poor plasticity
【单选题】The school shop, _____ customers are mainly students, is closed for the holidays. [ ]
A.
which
B.
whose
C.
when
D.
where
【单选题】The school shop, ________ customers are mainly students, is closed during class time.
A.
which
B.
where
C.
whose
D.
when
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