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【判断题】

种公牛具有记忆力强、防御反射强和性反射强的特点。( )

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】Once the king of India fell ill and sent for his doctor. The doctor came, examined him and said, "You will be well again in a few days if you take bull’s (公牛的) milk." The king was very surprised, for ...

A.
Because she was forced to do it.
B.
Because she often washed clothes there.
C.
Because she enjoyed washing clothes there.
D.
Because she wanted the king to notice her.

【单选题】适合于鉴定种公牛的方法为()。

A.
同期同龄女儿比较法
B.
多性状选择
C.
母女对比法
D.
不同后代比较法
E.
公牛指数法

【单选题】防御反射中枢位于:()

A.
脊髓
B.
延髓
C.
小脑
D.
大脑
E.
下丘脑