皮皮学，免费搜题
登录
搜题
【单选题】
第二信使不包括()。A.
cGMP
B.
cAMP
C.
IP3
D.
Ca2+
E.
G蛋白
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】_________是业务领域的需求中可用软件实现的部分,它是业务系统的一个子集。
【单选题】听力原文： New England is an area of mountains, valleys, and rivers. It is said that in New England one is always climbing hills. A large part of New England is also made up of farms and farming lands. Yet...
A.
It is completely flat.
B.
It has few rivers.
C.
It has many large lakes.
D.
It is hilly.
【简答题】在纯电容正弦交流电路中,电流与电压的相位关系是( ),电压有效值与电流有效值的数量关系是 ( ) 。
【单选题】England is not a big country: from north to south and from east to west it is only about three hundred miles across. But for a small country it has a surprising range of climate. People who have never...
A.
one hundred miles
B.
three hundred miles
C.
one hundred and fifty miles
D.
six hundred miles
【简答题】Sports is very popular in England . In other words lots of English people like the idea of sport. A lot watch sport on TV. But the number who takes part in sport is quite small. On the whole English p...
相关题目：