托福考试

【单选题】（） denotes currency in circulation plus bank deposits. 
A. The term “money supply” 
B. The term is “money supply” 
C. When the term “money supply” 
D. “Money supply” is the term 

【分析解答题】LISTENING 4类型：Conversation话题：Service详细内容：本篇也是学生和工作人员的对话。这段对话是关于学生和书店员工之间的对话。学生在bookstore想买书，还提及了他对一篇论文paper的想法。书店的assistant说现在bookstore的policy改变了。书店说因为以前告诉book list了，因为online书籍很便宜，大家都网购了，书店的sales下降了，书店就会吃亏。所以现在改成要开学才会友professor开出booklist，然后学生再去书店订购。

【单选题】 ___________ are chiefly derived from petroleum.
A．( Plastics today
B．( There are plastics today
C．( Because today plastics today
D．( Due to plastics today

【单选题】 ___________ over 100 years since the invention of the square-bottomed paper bag.
A．( Now is
B．( Now it has
C．( There is now
D．( It is now

【单选题】 What does the author say in paragraph 1 regarding most species in Earth's history
A．( They have remained basically unchanged from their original forms
B．( They have been able to adapt to ecological changes
C．( They have caused rapid change in the environment
D．( They are no longer in existence