氨基甲酰磷酸合成酶Ⅰ的变构激活剂是
A．乙酰CoAB．NH3C．谷氨酰胺D．N-乙酰谷氨酸
参考答案：D
用所给单词的适当形式填空。
1. Would you mind__________ (lend) your car to me?
2. Could you please__________ (wash) the dishes?
3. Could you__________ (help) me with my home- work?
4. Would you mind__________ (not play) the piano at night?
5.-Would you mind cleaning your room?
-OK.I__________ (do) it in a minute.
临床上最常见的心肌缺血ECG表现为（）
A.Ⅱ度AVB
B.室性期前收缩
C.出现Q波
D.双向T波
E.ST段压低
