the use of gravity waves,which do not interact with matter in the way electromagnetic waves do, heopefully will enable astronomers to study that actual formation of black holes and neutron stars.
a) in the way electromagnetic waves do, hopefully will enable
b) in the way electromagnetic waves do will, it is hoped, enable
c) like electromagnetic waves, hopefully will enable
d) like electromagnetic waves, would enable, hopefully
e) such as electromagnetic waves do, will, it is hoped, enable
答案是B,为什么E不可以
A majortiy of the international journalists surveyed view nuclear power stations as unsafe at present but that they will, or could, be made sufficiently safe in the future.
a) that they will, or could
b) that they would, or could
c) they will be or could.
d) think that they will be or could
e) think the power stations would or could
答案是D,为什么B不可以呢?
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