A.构成心脏的组织主要是肌肉组织
B.心脏内有四个腔,左右两部分不相通
C.由心脏输送出去的血液都是动脉血
D.一次心脏跳动包括心脏的收缩和舒张
设f,g,h,s,t为第4题中的五个函数.
(1) 试问:除第4题6个小题中的两个函数的复合外,还有哪些两个函数可以进行复合,并求这些复合函数的导数;
(2) 求下列复合函数的导数:
根据以下材料回答第 1~5 题:
A.I will take it.
B.How much is it?
C.What can I do for you?
D.Which one do you like?
E.Let me help you.
F.How many ones do you want?
G.Here you are.
H.Thank you SO much!
(S=Shopkeeper。P=Peter)
第 55 题
S: 1
P:1 wan to buy a notebook.
S:The notebooks are over there. 2
P:The blue one looks nice. 3
S:Two yuan.
P:That’s all right. 4
S: 5
P:Thank you.