皮皮学，免费搜题
登录
搜题
【简答题】
根据三极管的输出特性曲线,它的工作分为:( )、( )和饱和区。
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】认识过程中的 在幼儿的认识活动中表现非常突出，特别是表现于幼儿的注意、记忆和想象等心理活动之中。他们往往不能自觉地或专门地去记住一些东西，而是在他们感兴趣的活动中不知不觉地记住。
【简答题】二胡是典型的——国民族乐器。
【单选题】Which of the following statements about irreversible inhibitors is wrong?
A.
The irreversible inhibitors bind covalently with or destroy a functional group on an enzyme that is essential for the enzyme’s activity, or they form a highly stable noncovalent association.
B.
Formation of a covalent link between an irreversible inhibitor and an enzyme is a particularly ineffective way to inactivate an enzyme.
C.
Irreversible inhibitors are a useful tool for studying reaction mechanisms.
D.
Amino acids with key catalytic functions in the active site can sometimes be identified by determining which residue is covalently linked to an inhibitor after the enzyme is inactivated.
【单选题】To fight against computer crimes, a computer system needs a sure way of identifying its right users and rejecting those who are not entitled to use it. The identification system should be quick, simpl...
A.
Convenience.
B.
Reliability.
C.
Low costs.
D.
Acceptability.
【简答题】已有定义“int b=7;float a=5,c=4.7;”,则表达式“a4-(int)(b/2*(int)(a+c)/2)%4”的值是______。
【简答题】Section B – TWO questions ONLY to be attempted A local government housing department (LGHD) has funds which it is proposing to spend on the upgrading of air conditioning systems in its housing invento...
相关题目：