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右图为碳元素在生态系统中循环的模式图，图中“圆圈”表示生态系统的生物成分，“箭头”表示过程。请据图回答：

陆地生态系统的食物链中占有碳元素最多的营养级是（）。碳在生物圈主要以（）形式循环。

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参考答案：

生产者；CO2

阅读理解

根据短文内容判断正（T）误（F）。 

     Look at the picture. Where are the children now? They are in the zoo(动物园).They are looking at the monkeys(猴子).The monkeys are in a large cage. Are the monkeys walking or jumping? They are jumping up and down in the cage. But one monkey is not jumping. It's sleeping. It is ill.Where are the children now? The children are standing next to a small cage. What's in the small cage? There is a fox(狐狸).What is the fox doing?The fox is walking in the cage. It's looking for something to eat. It wants to go out of the cage to play and walk. Now the children are looking at the wolf(狼).Is the wolf sleeping? No,it isn't. It is not sleeping at all. The wolf is eating. What is the wolf eating? It is eating meat. There is a bone in its mouth.

( )1. The children are in the zoo.

( )2. All the monkeys are jumping.

( )3. Them monkey lives in a small cage.

( )4. The fox is looking for the meat.

( )5. The fox wants to go out of the cage to play and walk, but it can't.

( )6. The wolf is eating.

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判断题

医师在办理变更注册手续过程中，在原注册事项已被变更，新变更事项许可前，可以从事执业活动。（）
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