题干

(2015·四川)将苏云金杆菌Bt蛋白的基因导入棉花细胞中,可获得抗棉铃虫的转基因棉,其过程如下图所示(注:农杆菌中Ti质拉上只有T-DNA片段能转移到植物细胞中)。

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\u9650\u5236\u6027\u6838\u9178\u5185\u5207,\u9009\u62e9,T\uff0dDNA,\u7b5b\u9009\u83b7\u5f97T\uff0dDNA\u7247\u6bb5\u7684\u690d\u7269\u7ec6\u80de,\u7ec6\u80de\u5206\u88c2\u7d20\u6d53\u5ea6,\u9876\u82bd\u7aef\u5408\u6210\u7684\u751f\u957f\u7d20\u

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任务型阅读

    Why do people travel? There are many reasons one can think of when asked questions like this.

    To travel far enough to meet yourself

    Sometimes you find yourself in the middle of nowhere. ____ You find out your abilities. When you are offered a different lifestyle, you can find out what you are made of. The farther you go from your home, the nearer you come to your true self.

    ____

    If you look back at all the amazing memories of your life, you will realize that most of them were out of your comfort zone. Traveling is dangerous, full of life threatening possibilities and will not always be comfortable, but at the same time, it gives irreplaceable memories.

    To slow down and relax

    A wise man once said that never get so busy making a living that you forget to make a life. Money is worth nothing if you cannot spend it on a little adventure. While we are deeply involved in making money, we forget that time is going through our fingers. ____ The feeling of being away from your workplace is pure happiness. The feeling of not having to worry about the never ending piles of files is pure joy. ____

    To celebrate life

    Life is short and the world is wide. One day you might wake up and realize that you don't have time to do everything that you have always wanted to do, anymore. Once in a while, make time to appreciate the fact that you are alive, young, free and healthy. ____

A. To break through your comfort zone.

B. To become a storyteller.

C. Escape life for a little while because experience is far more valuable than money.

D. You can relate to the world and connect to others.

E. And the feeling of being away from your boss for a few days is pure pleasure.

F. So, go traveling to celebrate life itself.

G. Traveling lets you discover yourself.