单项选择题

Questions 14-16 are based on the following passage. You now have 15 seconds to read Questions 14-16.
What was the purpose of the professor’s experiments

A．To find out how clever monkeys were.
B．To test the intelligence of different animals.
C．To compare the difference between man and the monkey.
D．To find out how monkeys search for food.

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填空题

Which of the following is not true of the Space Shuttle...

单项选择题Which of the following is not true of the Space Shuttle Columbia

A．It was the first rocket ever made in history.
B．It did the first flight in 1981.
C．Its first flight was of great importance in the development of space exploration.
D．It can only stay in space for about a week now.

填空题

Questions 14-16 are based on the following passage. You now have 15 seconds to read Questions 14-16. What was the purpose of the professor’s experiments

Questions 14-16 are based on the following passage. You now have 15 seconds to read Questions 14-16.
What was the purpose of the professor’s experiments