专四

单选题 Which of the following statements about clipper ships is CORRECT?

A．They carried passengers, but not cargo.
B．They were large, but surprisingly fast.
C．They were the first successful steam-powered ships.
D．They were more reliable than other ships of the 1860's.

参考答案：B进入在线模考


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1This talk most likely happens

A．during registration.
B．on the first day of class.
C．at midsemester.
D．during finals week.

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2 If students have a schedule conflict on the day of the exam, they should

A．take a make-up exam later on.
B．make every effort to come to class.
C．spend two extra hours in class later on.
D．do extra work at home.

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3 Which two criteria are equally important in the calculation of the students' final grade in the course?

A．Homework and quizzes.
B．Quizzes and the final exam.
C．Class participation and the midterm exam.
D．Homework and class participation.

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