题干

西瓜堪称“瓜中之王”, 是葫芦科双子叶开花植物,原产于非洲,唐代引入新疆,五代时期引入中土。关于西瓜的叙述,正确的是(  )

A:西瓜属于被子植物,有双受精现象,胚乳提供胚萌发所需的养料

B:在结构层次上,西瓜属于果实,瓜瓤和瓜皮都是子房壁发育成的

C:在西瓜迅速膨大的季节,植株吸收的水分大多进入细胞的液泡中

D:西瓜脂肪含量低,含糖量高,这些成分主要在胃和小肠中被吸收

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B

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    Looking back on the first twenty years of my life,I feel grateful to have been so healthy and happy.I'm happy because of many key factors(因素).____

    Health comes first for me, because without health everything else is meaningless. Imagine starting a career without good health. Imagine achieving anything without good health.____

    Good health is not enough to be happy.____Money obviously pays for the basic necessities of life—food, housing, clothing, etc.—but it is also necessary for other reasons. Money guarantees(保证) we always get good medical treatment when we fall ill. Besides, we can also use money for entertainment that can add to our quality of life.

    Family is another important factor in having a happy life because it provides the love, joy, and support that everyone needs. I love my family with all my heart. I get pleasure from their pleasure. I suffer when they suffer.____ They give me advice when I have misunderstandings with my friends. More importantly, they are always there to share everything with me.

    ____ As long as I stay healthy, work hard to earn enough money and share both good times and bad times with my family,I will always be the happiest girl in the world.

A. Money is the most important factor which contributes to a happy life.

B. These three factors are all that I need and want in this world.

C. My family help me get through worries, pressures and difficulties.

D. We still need to have money in today's society.

E. Finally, I'm quite thankful that I am healthy, wealthy and happy.

F. Clearly, good health is much more important than any other things of one's life.

G. They include my physical health, healthy finances and my family's happiness.