蓄电池每日应测试电池一次，全部电池每月由值长进行全面测试一次。

是合成酮体的关键酶

A．乙酰CoA羧化酶
B．HMG-CoA还原酶
C．HMG-CoA合成酶
D．HMG-CoA裂解酶

"阴中求阳"的理论依据是( )

A．阴阳相互转化

B．阴阳互根互用

C．阴阳相互消长

D．阴阳动态平衡

E．阴阳对立制约

----She didn’t come to school yesterday, did she?

---- ___________, though she was not feeling very well.

A．No, she didn’t

B．Yes, she didn’t

C．No; she did

D．Yes, she did

出钢温度对铸锭有何影响？

与甲状腺髓样癌有关的激素是（）

A.甲状腺素

B.促甲状腺素

C.降钙素

D.促甲状腺激素释放激素

E.胰高血糖素