题干

下面图甲是某家族遗传病图解,下表是水稻栽培实验的统计数据,已知水稻的长穗和短穗是一对性状,若用A、a分别表示显性基因和隐性基因,请据图分析回答下列问题:

杂交组合

亲 本

子一代植株表现

长 穗

短 穗

长穗×短穗

423株

429株

短穗×短穗

225株

667株

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    If you want to keep fit, please refer to the following:

    Move More

    Make it a daily habit to find ways to move your body.____ Climb stairs instead of taking the lift. Walk your dog; play with your kids. It doesn't have to be an hour in the gym or a 45-minute dance class. But that's great when you're up to it. At the same time, move more.

    Give up Smoking

    Ever since 1960 when it was announced that smoking was harmful to health, Americans have been reducing their use of tobacco products. Just recently, we've seen more and more teens smoking. Could it be the Hollywood influence?____Take care! Warn your children against smoking.

    ____

    While recent studies show a glass of wine or one drink a day can help protect against heart disease, more than that can cause other health problems such as liver and kidney disease and cancer.

    Reduce Stress

    Easier said than done. Stress comes in many ways.____Spend 30 minutes a day doing something you like such as walking on the beach or in a park, reading a good book, visiting a friend, listening to relaxing music, and watching a funny movie.

    Protect Yourself from Pollution

    If you can't live in a smog-free environment, at least avoid smoke-filled rooms.____Exercise indoors in air conditioning when air quality is good.

A. Avoid Overdrinking

B. There are many things you can do to move your arms and legs.

C. Think carefully before doing something.

D. Exercise outside when the smog(雾霾)rating is low.

E. It seems that the stars in every movie smoke cigarettes.

G. It's important to reduce it.