_______me Europeans began to learn how to use the compass on their ships.
A. It was not until the 12th century when
B. Hardly it was the 12th century than
C. No sooner it was the 12th century when
D. It was not until the 12th century that
查看答案
A．dayB．timeC．oneD．thing
A. day
B. time
C. one
D. thing
Which of the following statements is NOT mentioned in this passage？
A. Both journal articles and conference papers are reported in a brief and informative way.
B. All the theses or dissertations and conference papers are reported in spoken languages.
C. Both the journal articles and conference papers are influenced greatly by the intended receivers.
D. The various formats of research reports may be presented in different ways.
A．sawB．thoughtC．understoodD．recognized
A. saw
B. thought
C. understood
D. recognized
A．aB．someC．anyD．no
A. a
B. some
C. any
D. no
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