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【单选题】FruitImagine a world without fruit. We wouldn’t be very healthy. We get a lot of important vitamins from eating fruit.We think of fruit primarily as something to eat._____（26）Fruit is part of a flower...
A.
Dry fruits are thin and hard.
B.
We even make alcohol from fruit.
C.
But fruit has a purpose quite apart from our needs.
D.
So these plants produce fleshy fruits.
E.
Then the seeds grow into new plants.
F.
But the plants grown from these seeds are seedless.
【单选题】粮食可以在收割前在期货市场进行交易。如果预测水稻产量不足，水稻期货价格就会上升；如果预测水稻丰收，水稻期货价格就会下降。假设今天早上，气象学家们预测从明天开始水稻产区会有适量降雨。因为充分的潮湿对目前水稻的生长非常重要，所以今天的水稻期货价格会大幅下降。 下面哪项如果正确，最严重地削弱以上的观点
A.
农业专家们今天宣布，一种水稻病菌正在传播
B.
本季度水稻期货价格的波动比上季度更加剧烈
C.
气象学家们预测的明天的降雨估计很可能会延伸到谷物产区以外
D.
在关键的授粉阶段没有接受足够潮湿的谷物不会取得丰收