单选题第1题_________.
A.The majority of the world’s sugar now comes from this particular commercial specie
B.Unfortunately,however,the plant started to become weaker and more prone to disea
C.Eventually,a commercial plant was developed which was 5 percent sweeter than before,but also much stronger and less likely to die from disea
D.Since the 1960s,scientists have been analyzing the mysteries of the sugar cane’s genetic cod
E.One major gene has been identified by Dr.Angelique D’Hont and her team in Montpelier,Franc
F.Sugar cane is now much more vigorous and the supply of sugar is therefore moreguaranteed
参考答案:A
单选题第2题_________.
A.The majority of the world’s sugar now comes from this particular commercial specie
B.Unfortunately,however,the plant started to become weaker and more prone to disea
C.Eventually,a commercial plant was developed which was 5 percent sweeter than before,but also much stronger and less likely to die from disea
D.Since the 1960s,scientists have been analyzing the mysteries of the sugar cane’s genetic cod
E.One major gene has been identified by Dr.Angelique D’Hont and her team in Montpelier,Franc
F.Sugar cane is now much more vigorous and the supply of sugar is therefore moreguaranteed
参考答案:E
单选题第3题_________.
A.The majority of the world’s sugar now comes from this particular commercial specie
B.Unfortunately,however,the plant started to become weaker and more prone to disea
C.Eventually,a commercial plant was developed which was 5 percent sweeter than before,but also much stronger and less likely to die from disea
D.Since the 1960s,scientists have been analyzing the mysteries of the sugar cane’s genetic cod
E.One major gene has been identified by Dr.Angelique D’Hont and her team in Montpelier,Franc
F.Sugar cane is now much more vigorous and the supply of sugar is therefore moreguaranteed
参考答案:F
单选题第4题_________.
A.The majority of the world’s sugar now comes from this particular commercial specie
B.Unfortunately,however,the plant started to become weaker and more prone to disea
C.Eventually,a commercial plant was developed which was 5 percent sweeter than before,but also much stronger and less likely to die from disea
D.Since the 1960s,scientists have been analyzing the mysteries of the sugar cane’s genetic cod
E.One major gene has been identified by Dr.Angelique D’Hont and her team in Montpelier,Franc
F.Sugar cane is now much more vigorous and the supply of sugar is therefore moreguaranteed
参考答案:C
单选题第5题_________.
A.The majority of the world’s sugar now comes from this particular commercial specie
B.Unfortunately,however,the plant started to become weaker and more prone to disea
C.Eventually,a commercial plant was developed which was 5 percent sweeter than before,but also much stronger and less likely to die from disea
D.Since the 1960s,scientists have been analyzing the mysteries of the sugar cane’s genetic cod
E.One major gene has been identified by Dr.Angelique D’Hont and her team in Montpelier,Franc
F.Sugar cane is now much more vigorous and the supply of sugar is therefore moreguaranteed
参考答案:B