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【单选题】

Fruit

Imagine 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 flowering plant and it carries the seeds. The purpose of fruit is to protect a plant’s seeds and help them get spread about. Wind and water spread seeds. So do animals when they eat fruit and drop the seeds. _____(27)

There are two main types of fruit: fleshy and dry. Fleshy fruits are soft and juicy. Pears, bananas and apples are all fleshy fruits. _____(28)Grains like wheat and rice, or nuts like chestnuts(板栗), are dry fruits.

But wait: You’ve eaten oranges and gs without seeds. How can they be fruits? It’s because people have changed the way they grow fruit. They can now grow seedless fruit. Seedless fruit comes from special plants that are made by combining two varieties of a fruit to form a new variety. These special plants grow and produce seeds. _____(29)These plants cannot reproduce themselves. They can make fruit, but the fruit has no seeds.

Fruits are a source of substances that keep us alive and healthy. So people make use of fruits for many foods. We make juices from them. We make jams and sweets. _____(30)Beer comes from grains and wine comes from gs, and some particular wines are made from apples, peaches, or other fruits.

(28)_____

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.
题目标签:板栗
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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】板栗贮藏的适宜环境条件是()

A.
-2℃-0℃,90-95%
B.
-2℃-0℃,80-85%
C.
0-5℃-0℃,90-95%

【单选题】板栗属于( )植物。

A.
蔷薇科
B.
杜鹃花科
C.
葡萄科
D.
壳斗科

【单选题】板栗的雄花序着生在()

A.
当年且枝上
B.
一年生枝上
C.
二年生枝上

【单选题】我国著名的京东板栗产于(),可食也可制馅。

A.
山东省泰安
B.
辽宁省丹东
C.
河南省确山县
D.
北京西部燕山山区

【单选题】板栗的果实属于()。

A.
核果;
B.
瘦果;
C.
坚果;
D.
颖果

【单选题】板栗的果实生于壳斗内,其壳斗的特点是()

A.
小苞片呈分枝刺
B.
苞片鳞形
C.
苞片线形
D.
苞片钻形
相关题目:
【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】板栗贮藏的适宜环境条件是()
A.
-2℃-0℃,90-95%
B.
-2℃-0℃,80-85%
C.
0-5℃-0℃,90-95%
【单选题】板栗属于( )植物。
A.
蔷薇科
B.
杜鹃花科
C.
葡萄科
D.
壳斗科
【单选题】板栗的雄花序着生在()
A.
当年且枝上
B.
一年生枝上
C.
二年生枝上
【单选题】我国著名的京东板栗产于(),可食也可制馅。
A.
山东省泰安
B.
辽宁省丹东
C.
河南省确山县
D.
北京西部燕山山区
【单选题】板栗的果实属于()。
A.
核果;
B.
瘦果;
C.
坚果;
D.
颖果
【单选题】板栗的果实生于壳斗内,其壳斗的特点是()
A.
小苞片呈分枝刺
B.
苞片鳞形
C.
苞片线形
D.
苞片钻形