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问题 单项选择题

5～8分钟时暗适应曲线上的转折点代表了( )

A．视锥细胞暗适应过程的开始
B．视锥细胞暗适应过程的终止
C．视杆细胞暗适应过程的开始
D．视杆细胞暗适应过程的终止
E．视锥细胞光敏色素的更换

答案

参考答案：B

阅读理解

读对话，回答问题。

Zip: What's your favourite fruit, Monkey?

Monkey: I like apples. They're sweet.

Rabbit: I like fruit. But I don't like grapes. They're sour. Bananas are my favourite. They're tasty.

Zip: I like carrot juice. It's fresh and healthy. What about you, Zoom?

Zoom: I like beef, but I'm heavy now. I have to eat vegetables.

1. Monkey likes apples. They're ________________.

2. What does Rabbit like? ________________

3. Zip likes ________________. It's fresh and healthy.
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单项选择题

细粒棘球蚴多寄生于家畜和人的

A．脑和眼球

B．胃和小肠

C．心脏和血管

D．肝脏和肺脏

E．肾脏和膀胱
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