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21. Mr. Smith is a teacher, __ is clear from his manner.
A. as it B. as C. that D. it
22. Things, __ is often the case, will turn out to be contrary to one' s wishes.
A. as B. which C. that D. it
23. It is the third time__ .
A. that I have been here B. that I was here
C. since I was here D. since I have been here
24. The science of physics, __ progress has been rapid lately, is perhaps one of the most important of all sciences.
A. which B. where C. that D. in which
25. The metric system is such __ has a logical link between its units.
A. as B. that C. as which D. as that
26. The size of the audience, __ we had expected, was well over one thousand.
A. whom B. who C: as D. that
27. All __ is a continuous supply of fuel oil.
A. which is needed B. that is needed C. the things needed D. for their needs
28. Some day you may cross the ocean in a ship __ fuel "burns" without fire.
A. which B. whose C. when D. where
29. The microscope is a very useful instrument __ scientists can see things that are too small to be seen with the naked eye.
A. in which B. through which C. with which D. from which
30. Robert told his friends he loved places __ near the sea.
A. that they were B. they were C. where D. that were |
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发表于 2017-8-6 14:03:49