What is Soren Andreasen’s view of the report?
A.Its conclusions are based on carefully collected data.
B.It is vulnerable to criticism if the statistics are closely examined.
C.It will give rise to heated discussions at the Copenhagen conference.
D.Its rough estimates are meant to draw the attention of world leaders.
第2题
A.烟草的根属圆锥根系,由主根、侧根和不定根三部分组成
B.烟草种子萌发时,胚根突破种皮后直接生长而成主根
C.烟草主根明显,侧根和不定根是根系的主要组成部分
D.烟草茎上可以产生不定根
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