血中直接调节胰岛素分泌而且经常起调节作用的重要因素是
A.游离脂肪酸B.血糖浓度C.肾上腺素D.胃肠道激素E.血酮体浓度
参考答案:B
I have to tell you.
A.anything interesting
B.something interesting
C.interesting anything
D.interesting something
640KB的内存容量为()。
A.640000B
B.64000B
C.655360B
D.32000B