2008年11月6日，在我国两岸互赠珍稀动植物中，被誉为植物界中的“大熊猫”和“活化石”的是    （  ）

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    Tom and his father, Mr. Smith, always go out for a walk after supper every day. After that, he does his homework and watches TV for half an hour. Then he goes to bed. Now Tom and his father are taking a walk along the road. It begins to rain. Tom wants to run for home. But his father says very slowly, “Don't run. Isn't it raining in front of you?”