was...did
has been...to be done
was...doing
has been...done
第1题:
A. has saved up
B. has kept up
C. has set up
D.has saved aside
第2题:
During the past two decades, research has_our knowledge of daydreaming.
A. expanded B. emerged
C. descended D. conquered
第3题:
A.has been done
B.has done
C.did
D.was done
第4题:
The moral shortsightedness is revealed in the fact that _____.
[A] the government has stopped the experiment on human tissue
[B] the donation consent forms are difficult to understand
[C] the Human Tissues Act is an obstacle to important medical research
[D] embryonic research shows disregard for human life
第5题:
A、position
B、stranger
C、applications
D、character
第6题:
What is the main idea of the man's speech?
A.Everything at State University has changed in the past ten years.
B.Although the campus looks the same, some things have changed at State University.
C.In spite of the changes on the campus, the commitments of the State University remain the same.
D.Everything has stayed the same at State University during the past ten years.
第7题:
A、to
B、up
C、by
第8题:
A.research
B.a research
C.researches
D.the researches
第9题:
A.has been done
B.was done
C.have been done
D.were done
答案:A
第10题:
The moon-landing is mentioned in the first paragraph to illustrate_____.
[A] technology cannot solve all of our human problems
[B] progress in vaccine research for influenza has lagged behind
[C] great achievements have been made by men in exploring the unknown
[D] the development of vaccine production methods can not be stopped