单选题 How much will the woman have after she buys the tickets?
A、 $10.
B、 $3.
C、 $2.
D、 $4.
单选题 What does the professor say about Fibonacci numbers?
A、 They are common.
B、 They are uncommon.
C、 They are very difficult to understand.
D、 They are very easy to understand.
单选题 What is the next number in this Fibonacci sequence: 1, 2, 3, 5, ...?
单选题 What does the professor say?
A、 He says there are lots of questions.
B、 He says there is only one question.
C、 He says there are no questions.
D、 He says there are a few questions.
单选题 How much does the woman give to the man?
A、 Ten dollars.
B、 Two dollars.
C、 Five dollars.
D、 One dollar.
单选题 What do we know about Fibonacci?
A、 He was from central England.
B、 He was the first in a sequence of scientists.
C、 He was a mathematician.
D、 He was a physician.
单选题 How much should the woman pay for the pens and rulers?
A、 ¥3.
B、 ¥1.5.
C、 ¥4.5.
D、 ¥10.5.
单选题 How much does one ticket cost?
A、 $8.60.
B、 $4.30.
C、 $6.40.
D、 $1.40.