想要托福考的好一些，除了自己的努力应该也是没有别的办法了，很多同学可能都喜欢看机经预测，那么机经预测有哪些呢，今天和留学群小编来看看2017年7月13日托福考试听力预测。
题目：
1. What is the main purpose of the lecture？
A. To describe the potential impact that faster computers could have
B. To explain a specific approach to computer design and technology
C. To describe different functions computers can perform for their users
D. To explain Leonardo da Vinci＇s role in the history of computer design
2. Why does the professor discuss Leonardo da Vinci＇s work？
A. To explain the origin of the idea of old computing
B. To compare it to the work of other early inventors
C. To illustrate that some ideas in science were first suggested in works of art
D. To help explain the fundamental idea behind new computing
3. According to the professor， how is old computing different from new computing？
A. Old computing cannot be used to create complex programs.
B. Old co...
